Word: corneas
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Last year, with eyes from the eye bank, 333 corneal graft operations were performed, 90% of them successful. The operation can restore sight only when blindness is caused by damage to the cornea. Among conditions the operation cannot cure is glaucoma...
Contact lenses worn by actors, athletes and people who don't want to wear spectacles have three principal drawbacks: 1) friction of the eye against the lens irritates the cornea, makes it difficult to wear the glasses more than eight consecutive hours; 2) high cost (up to $250); 3) fitting, which involves making a wax cast of the eyeball...
Last week in Boston, the New England Council of Optometrists looked at a new type of lens which might eliminate these difficulties. Manhattan Eyeman Dr. William Feinbloom had developed a plastic, nonbreakable lens which rocks seesaw fashion with the motion of the eye, thus forestalls cornea irritation. The new lens is available in a dozen stock models, can be fitted to any eye in a few minutes, costs $100 less than the old type...
Some 5% of infants with retrolental fibroplasia also suffer from a complication - congenital glaucoma (hardening of the eyeball). Eyeman Terry says that pupil-contracting miotics (e.g., morphine, nico tine), if administered soon enough after birth, would knock the percentage down to 1. Other early babies are born with lento-cornea (adhesion of the lens to the cornea). A simple operation, if performed soon enough, can save their sight...
...bank has already helped many grateful patients to see. Its researching doctors have now found out how to keep corneas three days, thus reducing cornea waste (two days used to be the limit...