коррекция астигматизма

Eyeball - almost spherical formation{education}, diameter about 24 mm., located in an eye-socket. It possesses active mobility as a result of activity of six eye muscles - four straight lines (top, bottom, internal and external) and two slanting (top and bottom). The eyeball is separated from other part of an eye-socket by a dense fibrous vagina - теноновой a capsule behind of which is fatty клетчатка. 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...