контактные линзы при работе на компьютере
Склера, consisting of dense collagenic fibres, it is opaque, poor blood vessels. The forward part склеры is covered конъюнктивой. On border of connection склеры with a transparent cornea is present superficial желобок in the width ок. 1 mm, so-called лимб. A cornea - transparent бессосудистое formation{education}, in the optical attitude{relation} working similarly to strong convex glass. She{it} possesses very high sensitivity a plenty of the nervous terminations{endings} located basically in its{her} superficial layers. Подробнее...
Washing конъюнктивального a bag with the help of a rubber cylinder (pear) allows to wash out a strong jet of a liquid the bottom and top vaults конъюнктивы. For washing it is possible to use a usual cylinder for клизм. The cylinder and his{its} tip should be sterile. In a cylinder type{collect} a washing liquid as which water is used, at burns alkalis - sour solutions for neutralization of alkali (2-3 % a solution of a boric acid), at burns acids - alkaline solutions (2 % a solution of sodium of a hydrocarbonate). It is possible to do{make} washing above тазиком, a bowl. For washing the bottom arch delay a lower eyelid, the patient ask to look upwards, compression of a cylinder a jet direct on конъюнктиву the arch, and then under a upper eyelid for washing the top arch. Подробнее...