Custom-designed contacts improved vision for subjects with keratoconic eyes and offer hope of nonsurgical treatment instead of corneal transplants. University of Rochester researchers describe the custom design techniques and results of visual acuity tests in a paper published in April in Optics Letters. Keratoconic eyes are rare but disabling. From the side, the eyes look more pointed or cone-shaped than round. The apex shift from visual axis in the cornea causes people with the condition to see halos and double and triple images. About 1 in 2,000 people suffer from the disease, usually in both eyes. >>> Discuss This Story
