близорукость и дальнозоркость очки

Burn Г. are thermal and chemical. Thermal burns are caused by fire fused by metal, boiling water and нр. Heavy thermal burns can conduct to некрозу конъюнктивы, a cornea and склеры with the subsequent formation{education} of cicatricial turbidity of a cornea and сращений between centuries and an eyeball. Chemical burns Г. are caused гл. обр. Acids and alkalis. Acids cause more superficial defeat, alkalis have deep damaging{injuring} an effect. Are especially heavy ожопг not slaked известью. Very much the great value at chemical burns Г. has rendering the urgent help to the victim. Immediate plentiful washing Г. by water is necessary. Then Г. the patient should be examined carefully, necessarily having turned out веки. If there are particles of metal, to exhaust and other alien bodies, them it is necessary to remove cautiously a damp wadded tampon alien bodies. Then pawn for веки disinfectant ointments (30 % сульфацид-натриевая) then the patient direct to the oculist. Подробнее...

Peripheral sight (field of vision) is defined{determined} with the help of the special device - perimeter. At people of some trades (drivers, drivers of trains, etc.) necessarily define{determine} colour sensation by means of special tables. Ability Г. to perceive light and to distinguish various degrees of his{its} brightness ability to adapt to different brightness of illumination - refers to светоощущением, and adaptation of an eye. Adaptation define{determine} the special device - адаптометром. Frustration of tempo adaptation (its{her} delay) carries the name гемералопии Подробнее...