Нечаева Ольга Викторовна (RU),Фадеев Александр Александрович (RU),Фадеев Александр Николаевич (RU)
申请号：
RU2014146450/14
公开号：
RU0000156335U1
申请日:
2014.11.20
申请国别(地区):
RU
年份:
2015
代理人:
摘要：
The invention relates to the field of ophthalmology, in particular determining the boundaries of the peripheral field of view. Abnormalities in the peripheral parts of the retina - is the invisible danger. Therefore, such a great importance to study the patients field of view. The study was conducted with the help of special devices - the perimeters of which are kinetic, having a form of arch-type Foerster, or hemispheres, and statistics, using a computer and special software applications. The proposed utility model "Apparatus for determining the boundaries of peripheral visual field" is used phenomenon sharp contrast between the dark background and illumination retinal photoreceptors by color LEDs glow sticks and sensitivity of the retina, which is several times higher than the illuminance photoreceptor eye in daylight. On a dark background are no effects, such as reflection, absorption, scattering, light refraction, etc., that reduce retinal tsvetovospriimchivost eyes. The combination of increased sensitivity in the dark background of the retina eye photoreceptors (in the dark) to the light emission, and a minor technical addition to the arcuate perimeter will improve the accuracy of determining the boundaries of the peripheral visual field and retinal photoreceptors tsvetovospriimchivost patients eye. In order to fix the patients eyes open in the middle of the arc, double-sided tape is attached a small fee, with established and unsoldered between a matte green LED, damping resistor, micro button and two 1.5V batteries, type LR44, 386a, and manual movement defined by the test object is replaced to automatically 4 seconds. sequentially moving objects, the test in the form of R, G, and Ye LED radiation by the garland from the parallel-connected 10-two-color (R / G) LEDs that are mounted on the central axis of the inner side of the arc from the upper edge at around 90 ° in 5 ° arc downwards to the level of 40 ° under the control of special analog-digital circuit, whi
