клиники по удаление катаракты в москве

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...

To choose the most removed subject outside of a room and to look at him{it} continuously within 10 minutes, trying to consider his{its} smallest details. The the subject, the above effect from this exercise will be more removed. As well as in the previous exercise, in no event it is impossible to tear off a sight from the chosen subject before end of exercise. Подробнее...