Eye Medical Terminology
  • Sclera – the opaque, white part of the eye
  • Corneal limbus– the border of the cornea and the sclera
  • Cornea – the transparent curved front part of the eye that covers the iris, pupil, and anterior chamber. It is the most important part of the eye for focusing light and is the chief refractive tissue.
  • Iris – a thin, circular structure in the eye, responsible for controlling the diameter and size of the pupils and the amount of light reaching the pupil. “Eye color” is the color of the iris, which can vary between green, blue, or brown.
  • Pupil – an opening located in the center of the iris that allows light to enter the retina.
  • Lens – round structure that helps the cornea focus light on the retina
  • Vitreous body – clear, jelly-like substance that fills the inside of the eyeball
  • Vertebrate retina – a light sensitive tissue lining the inner surface of the eye. The optics of the eye create an image of the visual world on the retina, which serves a similar function as the film in a camera. Light striking the retina initiates a cascade of chemical and electrical events that ultimately trigger nerve impulses.
  • Optic nerve – a bundle of over 1 million nerve fibers that transmit information from the eye to the brain.

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How the Eye Works

In a normal, healthy eye, light rays pass through the cornea and the lens and come to a focusing point on the retina. The retina captures these light rays, processes them into electrical impulses and transmits the signals to the visual cortex of the brain via the optic nerve. The brain then interprets these signals as the images that we see.

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Tips for Taking Care of Your Eyes

We rely on our eyes to guide us through every part of our daily routine and personal interactions. We owe it to our eyes to do our best to keep them healthy and ensure they are functioning properly.

Get the Proper Nutrients

One of the most important things you can do to promote eye health is eat a balanced diet that includes plenty of fresh fruits and vegetables (particularly leafy greens) and fish that are high in omega-3 fatty acids.

Exercise Regularly

Getting regular exercise can help prevent health conditions like diabetes and blood pressure problems that lead to eye or vision problems.

Do Not Smoke

Smoking increases the risk of numerous eye diseases, including cataracts and age-related macular degeneration.

Wear Eye Protection

Protect your eyes from a sports or workplace injury by wearing the appropriate eye protection. Also be sure to protect your eyes if you are working on home repair or renovation projects that involve chemicals, projectiles and other potential eye hazards.

Wearing sun protection is also important whenever going outside. Look for sunglasses that block out 99 to 100 percent of UVA and UVB radiation.

Practice Proper Contacts Care

If you wear contacts, follow your doctor’s instructions for use and care. Do not wear them longer than recommended, and clean them properly. Replace them when needed.

Be Mindful of Screen Time

If you spend a lot of time using a computer for work or pleasure, give your eyes periodic rests. A good rule of thumb is that every 20 minutes, you should look at an item 20 feet away for approximately 20 seconds.

A Brief Look At Common Eye Diseases We Treat

Glaucoma is a disease that damages the optic nerve that transmits information from the eye to the brain. Many cases of glaucoma are associated with an increase in intraocular pressure, which occurs when fluid that is constantly produced in the eye does not drain as well as it should. Glaucoma often progresses “silently” or without noticeable symptoms until it starts to cause a reduction in peripheral vision. It can be managed with medication, laser or traditional surgery, but it cannot be cured.

Macular Degeneration

Macular degeneration is the gradual breakdown of the macula, or the portion of the retina responsible for clear central and detail vision. As the disease progresses, cells of the macula can die off and abnormal blood vessels can grow under the retina. Like glaucoma, macular degeneration can be managed with medical or laser therapy, but not cured.

Diabetic Eye Disease

Diabetic eye disease is a group of diseases that are more likely to affect people with diabetes. These include glaucoma, cataracts, diabetic retinopathy and macular edema. Diabetic eye disease can cause damage over time that interferes with vision and may even lead to blindness.

QUALITY CARE WITH LINDA VISION

Our Los Angeles LASIK specialists have been performing LASIK surgeries for over 20 years combined, with very positive results. Linda Vision’s experience and dedication to each patient, along with the use of the Wavelight EX500 excimer laser, make Linda Vision the ideal place to have LASIK surgery. We offer unlimited LASIK follow-up exams for 12 months after your Custom Wavefront LASIK surgery.

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