Eye stubs

From WikiMD's Food, Medicine & Wellness Encyclopedia

Eye Stubs[edit | edit source]

The eye is a complex organ that provides vision. It is one of the most important sensory organs in the human body, allowing us to perceive light and color, and enabling us to interact with our environment.

Anatomy of the Eye[edit | edit source]

The eye is composed of several key components, each with a specific function. These include the cornea, the iris, the pupil, the lens, the retina, and the optic nerve.

The cornea is the clear front surface of the eye that helps to focus light. The iris is the colored part of the eye that controls the amount of light that enters the eye by adjusting the size of the pupil. The lens is a clear structure located behind the iris that helps to focus light onto the retina, the light-sensitive tissue at the back of the eye. The optic nerve carries visual information from the retina to the brain.

Eye Conditions and Diseases[edit | edit source]

There are many conditions and diseases that can affect the eye and impair vision. These include cataracts, glaucoma, macular degeneration, diabetic retinopathy, and refractive errors such as myopia (nearsightedness), hyperopia (farsightedness), and astigmatism.

Cataracts are a common condition where the lens of the eye becomes cloudy, causing vision to become blurred. Glaucoma is a group of eye conditions that damage the optic nerve, often due to high pressure in the eye. Macular degeneration is a condition that damages the central portion of the retina, leading to loss of central vision. Diabetic retinopathy is a complication of diabetes that damages the blood vessels of the retina. Refractive errors occur when the shape of the eye prevents light from focusing directly on the retina, causing blurred vision.

Eye Care[edit | edit source]

Regular eye examinations are important for maintaining eye health and detecting eye conditions and diseases early. Treatment options for eye conditions and diseases can include glasses or contact lenses, medication, or surgery.


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Contributors: Prab R. Tumpati, MD