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Who is an optometrist?

Optometry is a medical subspecialty concerned with examining the eyes for vision defects and diagnosing and treating them. Optometrists, earlier called opticians, are healthcare professionals who detect vision disorders, eye injuries, and ocular diseases. They write lens and eyeglass prescriptions and can detect abnormalities in the eye that act as early warning signs for ailments like diabetes, age-related macular degeneration, and abnormal blood pressure. Optometrists can also treat glaucoma (eye conditions affecting the optic nerve and causing blindness) with oral and topical pharmaceuticals. 

What kind of training do optometrists receive?

After graduating, an aspiring optometrist must complete four years of professional training in an optometry college. They must pass an Optometry Admission Test (OAT) to enter the four-year Doctor of Optometry (O.D.) program. After obtaining their doctoral degree, they must take the National Board of Examiners in Optometry (NBEO) exam to become a certified optometrist. Many optometrists complete a second residency in a particular field of practice.

What is the difference between an optometrist and an ophthalmologist?

While both optometrists and ophthalmologists are eye specialists, they are not the same. Ophthalmologists differ from optometrists in their level of education and training. 

Optometrists are not medical doctors like ophthalmologists. However, they can advise patients regarding surgical and non-surgical eye or vision treatment options, provide low-vision rehabilitation, and provide vision therapy. 

Optometrists attend optometry college, where they receive paramedical education. On the other hand, ophthalmologists go to medical school and earn a Doctor of Medicine (M.D.) or a Doctor of Osteopathy (D.O.) degree. Because of their education and training, ophthalmologists can diagnose and treat any problem with the vision or eyes. 

An ophthalmologist treats more severe eye conditions than an optometrist. For example, optometrists will refer you to an ophthalmologist if you require major eye surgery. Many ophthalmologists conduct scientific research to determine the causes and cures for vision disorders and eye diseases. Some ophthalmologists are subspecialists. They complete one or two years of additional training and gain more in-depth training in a subspecialty focusing on eye conditions like cornea, retina, and glaucoma. They can also choose other subspecialties, including pediatrics, neurology, and plastic surgery.

What is the role of an optometrist?

An optometrist's treatment involves prescribing medications, vision therapy, lenses, and spectacles for clearer vision. They can advise patients on surgical or non-surgical options to improve vision. They can also detect cataracts (cloudy lens) and diabetes-related retinopathy (diseases of the retina). Some common eye conditions optometrists can treat are:

• eye infections
• eye inflammation
• color blindness
• presbyopia
• astigmatism
• nearsightedness (myopia)
• farsightedness (hyperopia) 
• double-vision (diplopia)

When to visit an optometrist near you?

It is best to visit your optometrist regularly because they can treat and advise you on maintaining good vision. You must see an optometrist if you need contacts or glasses or have been using corrective lenses. If you have diabetes or other chronic illnesses, you are at greater risk of eye disease. Similarly, if you have a family history of eye disease or vision loss or take prescription medication that can affect your eyes, visiting an optometrist will help.

Children should see an optometrist early because they do not understand normal vision. It could be years before disorders are detected, thus worsening them. If you have blurred or double vision, eye pain, red or irritated eyes, or see halo-like circles around lights, seek an appointment with an optometrist immediately.

Eye health is not limited to the use of lenses or spectacles. Just because you think you can see right does not mean your eyes are healthy. You must see an optometrist if you see specks floating in front of your eyes (floaters) or light flashes. An optometrist can advise if you need to visit an ophthalmologist for treatment or eye surgery.

What to expect during your first optometrist visit?

On your first visit, be prepared for the optometrist's questions regarding your vision and medical history. The optometrist will carefully examine your eyes and check whether you need lenses or spectacles. They would then conduct further tests like a cover test (covering one eye and studying the movement of the other eye using a moving target) to check the health of your eyes.

Optometrists also use different equipment and instruments to look into your eyes and check for abnormalities. They observe your pupils' reaction to light, the position of your eyelids, and the whites of your eyes for signs and symptoms of underlying conditions. They would make you read letters from a distance, beginning with large letters and proceeding to ones that keep getting smaller. If you need lenses, they will experiment with different lenses until you can see everything clearly from a distance.

The optometrist can use a slit lamp to illuminate and enlarge the front of your eyes and examine parts of your eyes, such as the cornea and iris.

How can you maintain good eye health?

Implementing minor changes in your daily life can significantly enhance your eye health and minimize the risk of common age-related eye disorders like age-related macular degeneration and cataracts. You can follow a few steps to keep your eyes healthy:

• Quit smoking: Smoking heightens your chances of getting cataracts and damages your optic nerve. This can lead to macular degeneration, along with various other health issues. If you've attempted to quit smoking in the past but relapsed, keep trying. The more attempts you make to leave, your chances of success increase. You can also consult your doctor for further assistance.
• Protect your eyes with sunglasses: Selecting the right sunglasses is essential for covering your eyes from the sun's harmful ultraviolet (UV) rays. Prolonged exposure to UV rays increases the risk of cataracts and macular degeneration. You can opt for sunglasses that block 99% to 100% of UVA and UVB rays. Consider choosing wrap-around lenses to provide additional protection from the sides. Although polarized lenses reduce glare when driving, they cannot give more protection. Even if your contact lenses have the feature of UV protection, wearing sunglasses provides an extra layer of defense.
• Wear safety eyewear: Wearing safety glasses or protective goggles is crucial when handling hazardous substances or airborne materials. You risk eye injury if you play sports like ice hockey, racquetball, and lacrosse. Wear appropriate eye gear, such as helmets with masks or sports eyewear with polycarbonate lenses for added protection.
• Regular eye check-ups: Regular appointments with an ophthalmologist or an optometrist near you are essential for everyone, including young children. These routine exams are crucial in maintaining your vision and enhancing your eyesight. Eye exams serve as a preventive measure by identifying conditions like glaucoma in their early stages, often before symptoms manifest. Early detection is vital as it enables more effective and manageable treatment.

What is a comprehensive eye exam?

A comprehensive eye exam determines a patient's vision and eye health. This exam checks for visual acuity through refraction, eye health, and other diseases such as glaucoma. It is a thorough test of depth reception, color vision, side vision, and pupils' response to light. A comprehensive eye exam is essential as it is a medically recognized standard and can assure healthy and precise vision. 

A comprehensive eye exam can help an optometrist detect more than 270 critical health conditions, such as cancers and autoimmune diseases. These exams are essential preventive ways to safeguard and preserve your vision and overall health.

What tests are conducted during an eye exam?

Optometrists run various tests to assess eye health and visual accuracy during a comprehensive eye exam. While procedures can vary slightly, here's an overview of critical assessments:

1. Visual acuity test: This test measures how clearly you can see shapes and details. Using a Snellen chart or random E test, you read progressively smaller lines from a distance. Your result is given as a fraction, like 20/20, indicating how your vision compares to the average.
2. Color blindness test: This test identifies color vision deficiencies by showing images made of dots in contrasting colors. If colors aren't distinguishable, a color vision issue may be present.
3. Eye movement test: This test evaluates the range of motion of your eyes. You follow an object with your eyes while keeping your head still, helping optometrists assess the functionality of eye muscles.
4. Slit lamp exam: Using a bright light and low-powered microscope, the optometrist examines your eyes in detail, including areas like the eyelids, conjunctiva, iris, lens, sclera, cornea, retina, and optic nerve. Eye dilation may be required, causing temporary light sensitivity.
5. Glaucoma test: Several tests, such as tonometry and ophthalmoscopy, help detect glaucoma, a condition affecting the optic nerve that is often symptomless until advanced. These tests assess intraocular pressure, optic nerve health, and drainage angles.
6. Visual field test (Perimetry): This evaluates peripheral vision by flashing lights in your side vision, helping detect blind spots and build a visual field map.
7. Retinal exam: This exam assesses the retina, identifying issues from conditions like diabetes and macular degeneration. Dilation allows for detailed scanning of the retina's blood vessels.
8. Refraction: This test measures light reflection in the eye and determines refraction errors like myopia and presbyopia, aiding in prescription lens accuracy.

How can you find a good optometrist near you?

If you live in Medford, Massachusetts, and want to contact an optometrist nearby, you may do so quickly and easily with Zocdoc. Zocdoc gives you access to a quick and secure way to book appointments with local medical experts from your area.

Enter your condition, location, and insurance plan on the Zocdoc website. It will display a list of the best optometrists in your area in your search results, which you can filter based on the doctor's gender, location, hospital affiliation, and whether or not they treat children. While making appointments at a hospital may take a lot of time and may hinder your daily plans, with Zocdoc, you can schedule virtual or in-person appointments anytime, depending on the availability of your provider.

Zocdoc also provides each specialist's credentials, qualifications, affiliations, awards, areas of expertise, experience, and licensure details to help you make a well-informed choice and receive the best possible care. You can review verified testimonials by past patients and find in-network specialists who accept your insurance plan. Suppose your insurance plan isn't listed on Zocdoc. In that case, you can upload an image of your medical insurance card (note that this feature is not available for vision or dental insurance). Zocdoc will scan the card image to identify and display your likely plan. If you encounter any issues uploading the image, contact our service team for assistance. For more insurance-related questions, please visit Zocdoc's patient help center.

Booking appointments on Zocdoc is easy, free, and secure!

Statistics for glaucoma in Massachusetts

Glaucoma is the prime cause of blindness in the United States of America. As per the BirghtFocus Foundation, it affects around three million Americans (as of 2022), of whom only half receive a proper diagnosis. 

No less than 23,000 Medicaid recipients in Massachusetts suffer from glaucoma. 1.84% of adults in the state, or 58,588 people over 40, suffer from glaucoma. 

By the age of 75, cataracts impair eyesight and affect half of all Americans. Last year, around 4 million procedures were performed to treat cataracts. Of these, at least 62,000 were in Massachusetts alone.

Sources

WebMD[1]

WebMD[2]

The College of Optometrists

NECO Center for Eye Care

Eye Care Center of Colorado Springs

American Optometric Association

National Library of Medicine[1]

National Library of Medicine[2]

BrightFocus Foundation

Prevent Blindness America

Boston Globe Media Partners

Cleveland Clinic[1]

Cleveland Clinic[2]

American Association for Pediatric Ophthalmology and Strabismus

eyewellness

The content herein is provided for general informational purposes only and is not a substitute for professional medical advice, diagnosis or treatment. Medical information changes constantly, and therefore the content on this website should not be assumed to be current, complete or exhaustive. Always seek the advice of your doctor before starting or changing treatment. If you think you may have a medical emergency, please call your doctor or 9-1-1 immediately.