Optics and Optometry

Optics and Optometry studies how human beings see and how vision is corrected when it fails. The program combines anatomy and physiology of the eye, physical optics, applied mathematics, examination instruments, ophthalmic lenses, contact lenses, visual development, eye health and patient care.

A graduate can work as an optometrist, dispensing optician, ophthalmic optician, contact lens specialist, low vision professional, optical laboratory technician or entrepreneur with their own optical shop. With experience, they can manage an optical shop, run a lens laboratory or specialize in an area of vision.

Artificial intelligence has a medium influence on this degree because it already helps measure prescriptions, analyze eye images and try on glasses on screen, but it does not replace examining a person, choosing lenses for their daily life or deciding to refer them to a doctor. The career offers stable work and direct contact with people, although it may involve serving the public all day, millimetric detail and constant updating on lenses and technology.

• Main area: Visual health and optics.
• Type of education: University degree in Optometry or technical or tertiary degree in Optics, depending on the country.
• Main careers: Optometrist, dispensing optician, ophthalmic optician, contact lens specialist and optical laboratory technician.
• Work sectors: Optical shops, offices, clinics and hospitals, lens manufacturing and distribution, retail and own business.
• Use of technology: High.
• AI influence: Medium and growing.
• Work with people: High.
• Analytical work: Medium or high.
• Practical work: High.
• Possibility of remote work: Low, except for management, training or remote consultation tasks.
• Regulated career: Depends on the country and the functions performed.

These classifications are for guidance only. The work may vary depending on the country, the chosen educational path, the type of workplace and what regulations allow each professional to do.

What is Optics and Optometry?

Optics and Optometry is a degree in the visual health field that studies how the visual system works, how vision defects are detected and how they are corrected with lenses or other non-surgical methods.

The program combines knowledge of:

• Anatomy and physiology of the eye.
• Physical and geometric optics.
• Applied mathematics.
• Physics of light and lenses.
• Physiology of vision.
• Binocular vision and eye movements.
• Visual examination instruments.
• Ophthalmic lenses and materials.
• Contact lenses.
• Basic ocular pathology.
• Visual development in children.
• Communication with patients.
• Managing an optical store.

It helps you understand how light enters the eye, how the image is formed and what happens when something along that path does not work properly: an eye that is too long or too short, a cornea with an irregular shape, a lens that loses flexibility or two eyes that do not work as a team.

The degree develops abilities for:

• Measuring visual acuity.
• Determining a person's prescription.
• Detecting myopia, hyperopia, astigmatism and presbyopia.
• Evaluating how the two eyes work together.
• Choosing and calculating lenses for glasses.
• Fitting contact lenses.
• Taking face and frame measurements to center lenses.
• Recognizing signs that require consultation with an ophthalmologist.
• Guiding people with low vision on optical aids.
• Performing vision screenings in schools and companies.
• Clearly explaining vision care.
• Managing a store, workshop or optical laboratory.

The name of the degree and qualification varies by country and institution. In Chile there are degrees in Optometry and also in Medical Technology with a specialization in Ophthalmology and Optometry. In several Latin American countries the university program is called Optometry and the technical or tertiary-level program is called Optics or Optics Technician. In Spain the Degree in Optics and Optometry is common, and in English-speaking countries names such as Optometry and Dispensing Optician are used. That is why the degree title combines both names.

Although the names vary, these degrees share the study of vision, the lenses that correct it and the care of people who need to see better. What each professional can specifically do, such as prescribe certain treatments or use specific diagnostic drugs, depends on the regulations of each country.

After graduating, a person can perform visual examination, lens fitting, advising, manufacturing, or managing an optical shop. The specific job could be, for example, optometrist, dispensing optician, ophthalmic optician, lens lab supervisor, or branch manager.

The eye and its diseases are a medical field. The treatment and surgery of eye diseases are handled by the ophthalmologist, who is a physician trained in Medicine. This degree does not train ophthalmologists: it trains those who measure, correct, and guide, and work as a team with them.

Optics and Optometry studies how a person sees and how to help them see better through lenses, fitting, and guidance.

What does a graduate in optics and optometry do for work?

A graduate can work in vision testing, dispensing and fitting lenses, manufacturing lenses in a lab, or serving specific groups such as children, older people, or athletes.

Main duties of the optometrist and the optician

The professional can:

• Measure near and far visual acuity.
• Determine the prescription of each eye.
• Evaluate how the eyes align and work together.
• Observe the front part of the eye with lighting and magnification instruments.
• Choose with the patient the type of lens and frame.
• Check that the lenses received match the prescription.
• Fit glasses to each person's face.
• Fit, train, and monitor the use of contact lenses.
• Provide guidance on visual hygiene, screens, and sun protection.
• Detect warning signs and refer to the ophthalmologist.

The specific role depends on the job and the country. Those who work in a practice spend most of their time testing vision. Those who work at a counter spend more time advising, measuring, and adjusting. Those who work in a lab focus on cutting, mounting, and checking lenses.

Careers directly related

• Optometrist.
• Dispensing optician.
• Ophthalmic optician.
• Contact lens specialist.
• Low vision professional.
• Optical lab technician.
• Optical shop supervisor or manager.
• Entrepreneur with their own optical shop.

Entry-level jobs

• Optics assistant.
• Optics salesperson or advisor.
• Optical laboratory assistant.
• Junior optometrist at an eyewear chain.
• Optometry assistant in a private practice.

In these positions, it is common to welcome clients, take measurements, help choose frames, prepare orders, check the lenses received, make simple adjustments, and learn from the work of more experienced professionals.

Experienced positions

• Optometrist in charge of a private practice.
• Contact lens fitting specialist.
• Low vision specialist.
• Pediatric vision specialist.
• Branch manager.
• Optical laboratory manager.
• Technical advisor for lens manufacturers.
• Manager of an eyewear chain.

Management or specialty positions are usually not entry-level positions. They generally require experience, additional training, and proven results with patients and clients.

Not all of these positions correspond exclusively to those studying this degree. Some functions, such as examining vision or prescribing certain treatments, may be reserved for specific qualifications or require professional licensing, depending on the country.

Emerging positions

• Teleconsultation optometrist.
• Childhood myopia control specialist.
• Vision and screens specialist.
• Sports vision professional.
• Custom lens advisor.
• Eye imaging analyst.
• Specialty contact lens specialist.

Optometrist

Examines vision, measures prescriptions, evaluates how the eyes work together, and determines what lenses each person needs. They can work in an optical shop, a private practice, a clinic, or a hospital, and they have the most contact with the visual exam.

Uses knowledge of eye physiology, optics, instruments, and patient communication. AI can help obtain faster measurements, but the professional must interpret the results, talk to the person, and decide whether they need to see a doctor.

Dispensing optician

Advises people, chooses lenses and frames together with them, and fits them to their face. They know materials, coatings, and lens types, from the simplest to progressives.

Works mainly in optical shops and in constant contact with the public. A good fitting is as important as a good prescription: poorly centered glasses are uncomfortable even if the prescription is perfect.

Ophthalmic optician

Prepares and fits corrective lenses according to the prescription or visual exam. In many places works very closely with ophthalmologists and laboratories, and may handle the technical side of lenses. What they can do, including examining vision, is defined by the regulations of each country.

What is practicing this career like?

Daily work consists of examining people, turning what is measured into lenses that work in their daily lives, and supporting them so they see well and take care of their visual health.

A person may spend part of their workday on:

• Receiving and interviewing patients and clients.
• Measuring visual acuity and prescription.
• Evaluating how the eyes work together.
• Observing the condition of the eye surface.
• Choosing lenses together with the person.
• Taking measurements of the face and frame.
• Fitting contact lenses and teaching how to handle them.
• Checking lenses received from the laboratory.
• Adjusting and repairing glasses.
• Referring to an ophthalmologist when something is not normal.

Not all the work is visual exams. In entry-level positions, customer service usually predominates, basic measurements and adjustments. As experience grows, responsibility increases for more complete exams, complex cases, and work teams.

Common tools

• Letter and symbol charts for measuring visual acuity.
• Phoropter, the device with lenses of different powers that is placed in front of the eyes.
• Autorefractor, which gives an initial measurement of the prescription.
• Retinoscope.
• Lensometer, for checking the prescription of glasses.
• Keratometer and corneal topographer.
• Slit lamp, a microscope with light for observing the eye.
• Tonometer, for measuring eye pressure.
• Machines for cutting, beveling, and polishing lenses.
• Patient and order management software.
• Lens simulation and on-screen frame try-on programs.
• Artificial intelligence assistants.

Types of tasks

The distribution changes by position, but it usually combines:

• Work with people: high.
• Manual and precision work: high.
• Analytical work: medium or high.
• Communication and advising: high.
• Creativity: low or medium, especially when advising on styles and materials.
• Technical work: high.
• Management and sales: medium, high if running a store.

Possible work environments

• Optical shops and optical chains.
• Optometry offices.
• Ophthalmology offices.
• Hospitals and clinics.
• Lens laboratories.
• Visual rehabilitation centers.
• Schools and school health programs.

Some positions require standing for many hours, seeing many people each day and working with very small parts. Optical shops often also open on Saturdays or during extended business hours. Visual screening campaigns, fairs, or visits to schools may involve travel.

Example of a professional day

Start of the day: checks the patient schedule, turns on and calibrates the instruments and checks the lens orders received from the laboratory.

During the morning: sees a girl who complains of headaches when reading. Measures visual acuity, determines the prescription, evaluates how her eyes work together and explains to her family what she needs and why.

During the afternoon: helps a client choose glasses with progressive lenses, takes measurements of his face, checks the glasses that arrived from another order and adjusts a frame that is loose on an older person.

End of the day: refers a patient whose exam showed an unusual finding to an ophthalmologist, records the details of each visit and leaves the orders ready for the laboratory.

This example corresponds to a position in an optical shop with an office. Activities may change significantly depending on the workplace, each person's training and what regulations allow.

Influence of AI on the professional future

Artificial intelligence will play an increasingly important role in vision care because much of the work uses measurements, eye images, lens calculations and order management.

Its influence will be moderate, but it will not be the same in all positions. Tasks based on measuring with devices, calculating or classifying images will be more exposed to automation. Positions that require examining a real person, understanding how they use their vision in their life, adjusting by hand and explaining with empathy will retain a central human involvement.

The transformation will likely affect specific tasks more than complete careers. Examining a person includes talking to them, observing them, choosing lenses for their routine and detecting when something does not match the numbers, and that cannot be solved with a machine alone.

Tasks that will likely be automated

Initial measurements

Autorefractors and other devices already obtain an initial measurement of the prescription in seconds. AI will improve the speed and repeatability of these measurements.

The professional will continue to check that the measurement makes sense, because a tired, nervous person or someone whose eye moves a lot can give misleading values.

Tasks that will be transformed

Eye exam

The professional will be able to rely on instruments that measure faster and with more data. Their work will focus less on repeating measurements and more on interpreting results, explaining them to the person, and adapting the solution to their daily life.

Myopia control in children

Tools will make it possible to track the development of the eye with greater precision and to propose lenses or treatments that slow the progression of myopia. The professional will need to decide which option is right for each child, explain it to families, and monitor the results.

Tasks that will gain importance

• Interpreting results from instruments and images.
• Verifying automatic measurements.
• Detecting warning signs and referring in time.
• Clearly explaining what was found and what is recommended.
• Choosing lenses based on each person's real life.
• Fitting complex contact lenses.
• Caring for low vision.
• Supporting childhood myopia.
• Supervising the quality of lenses and processes.
• Working as a team with ophthalmologists and other professionals.
• Keeping up to date with lens technologies.

New positions and services

• Optometrist in teleconsultation.
• Specialist in myopia control.
• Eye image analyst.
• Coordinator of AI-assisted visual screening.
• Personalized lens advisor.
• Specialist in digital vision and screens.
• Quality supervisor for lenses made with automated processes.
• Trainer in new instruments for optical shops.
• Specialist in advanced contact lenses.
• Patient data manager in optical chains.

Consequences of not adapting to AI

A person who does not learn to use these tools may work with slower processes and offer less precise care than other professionals.

They may also face:

• Less ability to care for many people with quality.
• Difficulty using new instruments.
• Dependence on others to interpret images and data.
• Less access to specialty positions.
• Difficulty competing with optical shops that offer online services.
• Less ability to control myopia in children.
• Risk of being left in sales tasks with little technical value.
• Difficulty detecting errors in an automated system.

This does not mean that AI will necessarily replace the optometrist or the optician. The main transformation will be the redistribution of work: less time will be spent on repetitive measurements and more on interpreting, advising, fitting and caring.

How to prepare

• Learn to use modern examination instruments.
• Understand how automatic measurements work and what their limits are.
• Practice communicating with children, families and older people.
• Learn to explain a result without technical jargon.
• Know the diseases that must be referred.
• Develop a specialty, such as contact lenses, low vision or children's vision.
• Learn to verify information from automatic tools.
• Maintain manual dexterity in fittings and repairs.

Consequences of practicing the career

This section refers to the consequences of working professionally after graduating.

Positive consequences

• It allows you to help people see better immediately.
• It combines science, manual work and personal interaction.
• It offers work in very diverse places.
• It can have stable demand, because many people need glasses throughout their lives.
• It allows you to specialize in children, contact lenses, low vision or sports vision.
• It allows you to open your own business.
• It offers contact with technology and advances in lenses.
• It allows you to work as part of a team with doctors and other health professionals.
• It can be combined with teaching or work in industry.
• Seeing the result in a person who regains vision is a very rewarding experience.
• AI can increase the accuracy and speed of measurements.

Negative consequences or difficulties

• Customer service all day long.
• Many hours standing or sitting in the same position.
• Highly precise work that tires the eyes and hands.
• Sales pressure in places where you are expected to sell more.
• Retail hours, including Saturdays.
• Patients who are difficult to examine, such as small children.
• Need for constant updating on lenses and technology.
• Competition from large chains and online sales.
• Responsibility for measurement or manufacturing errors.

Specific risks of the career

Failure to detect an eye disease

It can happen when a finding is interpreted as a simple prescription problem. Diseases such as glaucoma or retinal problems can progress without pain.

It is reduced with complete exams, knowledge of warning signs, proper use of instruments and timely referral to the ophthalmologist.

Errors in lens prescription or centering

They can cause headaches, dizziness, or uncomfortable vision. A poorly centered or poorly measured lens forces the work to be redone and affects trust.

They are prevented with repeated measurements, checks of the received lens, fittings on the person, and attention to complaints after delivery.

Commercial pressure

It appears when there is an expectation to sell more expensive lenses or products the person does not need. Giving bad advice affects the buyer and the professional's reputation.

It is necessary to recommend based on real need, explain the options honestly, and respect the professional code of ethics.

Contact lens problems

Misuse, poor hygiene, or a poorly fitted lens can cause eye irritation and infections.

It is prevented with proper fitting, clear cleaning instructions, regular checkups, and advising to seek care for redness, pain, or blurry vision.

Employment field

A graduate can work in places where vision is examined, lenses are sold or manufactured, or eye care is promoted.

Sectors

• Optical shops and retail.
• Private healthcare.
• Public healthcare.
• Clinics and hospitals.
• Ophthalmology practices.
• Lens and frame industry.
• Optical laboratories.
• Distribution of optical products.
• Education.
• Sports.
• Workplace safety.
• Social health organizations.

Ways of practicing

• Salaried employment.
• Private practice.
• Own optical shop.
• Independent laboratory work.
• Care in visual health campaigns.
• Technical consulting for manufacturers.
• Teaching, normally with additional training.
• Teleconsultation, in places where it is permitted.

Professional demand

Demand is steady, but not uniform. Many people need glasses throughout life: children with vision problems, adults who start to need reading glasses, and older people. This does not mean that all graduates access the same positions or that employment is guaranteed.

Demand depends on:

• Country and city.
• Number of optical shops and practices in the area.
• What regulations allow each qualification to do.
• Specialty.
• Experience.
• Use of technology.
• People skills.
• Sales ability.
• Additional training.

Access to first job

Common routes include:

• Internships during the degree.
• Assistant positions in an optical shop.
• Training programs from optical chains.
• Assistant work in private practices.
• Assistant work in optical laboratories.
• Visual health campaigns.
• Volunteering in organizations.
• Recommendations from professors and classmates.
• Professional networks.
• Work in a family member's business.
• Specialization courses.

Difficulties getting started

The degree offers a clear job path, but getting started can be demanding.

Common barriers include:

• Lack of experience with real patients.
• Little practice in fittings and repairs.
• Difficulty dealing with children or uncooperative patients.
• Limited knowledge of materials, treatments, and brands.
• Uncertainty about when to refer.
• Competition from low-price chains.

These barriers can be reduced through internships, assistant work, specialization courses, contact with ophthalmologists, and an initial period of working in an experienced team.

Who might this degree be suitable for?

It may be suitable for people interested in the science of vision, in precise manual work, and in direct contact with people.

It may appeal to those who enjoy:

• Understanding how the eye works.
• The physics of light and lenses.
• Working with precision instruments.
• Serving people of all ages.
• Explaining technical things in simple words.
• Solving problems with concrete solutions.
• Working with your hands.
• Paying attention to detail.
• Combining health and technology.
• Having your own business.
• Seeing immediate results in people.

This might interest you if…

• You are interested in how the eye sees and what happens when vision fails.
• You enjoy physics, applied math, and instruments.
• You like serving people and helping them with something concrete.
• You are patient with children and older people.
• You are careful with details and measurements.
• You like working with your hands and with devices.
• You are drawn to the idea of your own optical shop or private practice.
• You want to work in healthcare without studying Medicine.
• You are willing to keep up to date with new lenses and technologies.

It may be less suitable if…

• You are not interested in physics, optics, or calculations involving measurements.
• You prefer to avoid daily contact with the public.
• You are uncomfortable looking closely at another person and working very close to their face.
• You cannot tolerate repetitive tasks or precision work on small details.
• You want to diagnose and operate on eye diseases, which is part of Medicine.
• You do not want to update your knowledge.
• You are uncomfortable selling or talking about products with clients.
• You are not willing to take responsibility for making sure a lens fits well.

You do not need to be an extroverted person. There are office, laboratory, quality control, and training positions that require different combinations of skills. You also do not need to have good eyesight: many professionals wear glasses or contact lenses.

Present and future of the degree

Currently, those who study Optics and Optometry work examining eyesight, fitting lenses, guiding people and taking care of their visual health. These functions are needed in optical shops, offices, clinics, laboratories and health programs.

The career is changing because more and more people spend many hours in front of screens and myopia is increasing in children and adolescents in many countries. This increases the importance of vision checkups and professional advice.

Competitive people will be those able to combine knowledge of vision, handling of modern instruments, human interaction, judgment about when to refer, and responsible use of technology. They will have to learn to interpret automated results, explain them clearly and protect patient data.

More opportunities may appear in childhood myopia control, low vision, digital vision, care for older people, teleconsultation, personalized lenses and joint work with ophthalmologists.

Human skills will remain central when examining a child who does not cooperate, calming a person who is afraid, adjusting glasses to a specific face or deciding whether something requires a doctor. The main risk is not only that a measurement becomes automated, but trusting a machine without checking the result, losing direct contact with the patient or selling products without addressing what the person really needs.

The combination of optics knowledge and artificial intelligence tools can make it possible to examine more people, detect problems earlier and offer lenses better adapted to each life. Its value will depend on technology being used with verification, honesty, data protection and human responsibility.