недостатки контактных линз

Diagnosis Д. can be put during definition of visual acuity at research by glasses. Degree Д. is defined{determined} by strongest of the collective lenses, giving the best sight. Visual acuity at Д. weak and average degrees can be normal; at Д. high degrees (5,0-10,0 D and is higher) visual acuity is lowered, despite of correction by glasses. Correction Д. is made by the convex glasses strengthening a refraction (fig. 2). At absence of correction by glasses at far-sighted easily arises астенопия and quite often the converging squint develops. Подробнее...

To occupational diseases of body of sight concern: a cataract of glass blowers, a cataract at the persons, exposed to influence of radioactive radiation, and also нистагм (involuntary маятникообразные movements Г.) at miners. Parasites Г. (цистицерк, эхинококк, etc.) meet extremely seldom. The basic attribute at intraocular localization is frustration of sight. The diagnosis establish after inspection (the general{common} н ophthalmologic). Treatment operative. Heavy diseases Г., and also can conduct traumas Г. finally to an atrophy of an eyeball. Thus Г. sharply decreases in size, сморщивается. Sight of it{him} appears equal to zero. Quite often such Г. delete, with the subsequent prosthetics Подробнее...