Eye bank
Eye bank: A place to store corneas (the clear “front window” of the eye) for use in future keratoplasty (surgery to replace the cornea).
Read Also:
- Eye bleed
Eye bleed: Medically called a subconjunctival hemorrhage. A very common cause of a painless bloody eye usually first noticed by somebody else or by the person with it when they look in the mirror. The bleeding results from a break in a small blood vessel in the sclera, the white of the eye. This releases […]
- Eye cataract
A clouding of the lens of the eye. The normally clear aspirin-sized lens of the eye starts to become cloudy. The result is much like smearing grease over the lens of a camera. It impairs normal vision. There are many causes of cataracts including cortisone medication, trauma, diabetes, many other diseases and simply aging. Cataracts […]
- Eye chart test
Eye chart test: This test measures how well you see at various distances. The eye chart itself — the usual one is called Snellen’s chart — is imprinted with block letters that line-by-line decrease in size, corresponding to the distance at which that line of letters is normally visible. The letters on Snellen’s chart are, […]
- Eye chart, Snellen's
Eye chart, Snellen’s: The familiar eye chart used to measure how well you see at various distances. Snellen’s chart is imprinted with block letters that line-by-line decrease in size, corresponding to the distance at which that line of letters is normally visible. The letters on Snellen’s chart are, not surprisingly, called Snellen’s test type. Each […]
- Eye color
Eye color: The color of the iris. The genetics of eye color are complicated. Eye color is polygenic. It is determined by multiple genes. The eye color genes include EYCL1 (a green/blue eye color gene located on chromosome 19), EYCL2 (a brown eye color gene) and EYCL3 (a brown/blue eye color gene located on chromosome […]