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Nage's color vision inspection mirror clinical application: report of 60 cases

Sense of coloring. Rod cells are the role of a sense of dark light. Cell membrane hope deemed distribution, in the fovea, such as no rod cells such as peripheral to the central volume 20. Department, each square millimeter of 163 cells containing impeach ten. Distribution of cone cells are all the opposite concave center cone cells per square millimeter in the co-14.700, but peripheral to 20 Color vision as a result of the function of cone cells, cone cells were mainly distributed in the macular area, so Okazaki film in the center of the lesion as color vision to some extent. № Be on behalf of the principles of color vision inspection cameras and inspection methods (with decision tables) British physicist RayIeigll the first to discover the yellow, red and green can be mixed. And this mixture guillotine. In the color-blind eyes and normal eyes are different colors mixed in 1907 Nage principle according to design a special spectrum Yau, will drive the appropriate mixture of shade and green light. Can be dubbed yellow, used to measure the Ray ~ igh technology (referred to as Ra - L) equal the phenomenon, well named NaBe generation of color vision inspection mirror ∞. Instrument design and use: a fixed horizontal table by a long cylindrical telescope, according to Tsui for the gas source, by splitting the role of Yb Tri, divided into yellow, red and green. In the next room through the eyepiece to the main subjects eyelashes can be seen with the head in the ten-shaped projection screen on the park, divided into upper and lower horizontal line is a two and a half park, turn right by the spiral columns are under the regulation of the yellow half circle (589 nm) and left-handed helical turn brightness adjustment, the red half of Park (670 nm) and green (535 nm) than the back two. Normal color vision, the red and green mixed with yellow yellow semicircle under the color and brightness tune into exactly the same, said Ra-L on behalf of equality. Abnormal color vision, and its hard to blend color contrast is solid before,[link widoczny dla zalogowanych], its extent and classification, decision tables can be diagnosed by color blindness or color weakness. Weak and need more, such as red, red color mixed with a small amount of frown upper house half of Park Park and yellow, as the same. Deletion of the green opposite the weak. Red or green blind,[link widoczny dla zalogowanych], half of Mission will be pure red or pure green park that half of the yellow and the same, said. Equal red and one yellow or green ~ yellow equal. The first step in Ra-L on behalf of the equality of regulation,[link widoczny dla zalogowanych], such as to determine the normal to not have to check down. Abnormal color vision and then to I-two-color . 0:) determine the form of a red and one yellow equal green yellow summer h d equal foot on the decision on behalf of equality under the l10 on Table 5 7O less than l40 l15 or more than 5】 10 decision tables under the following 90l90ol0701 ~ & l40 color vision under the I601 ~ T green blindness red blindness red blindness l l l pass through the green blind red color weakness a weak note bearing in mind the normal use of the advantage of 1,[link widoczny dla zalogowanych], merit; (1) Check the garland alone. Subjects can own operation. (2) can identify color blindness or color weakness, can be quantitatively (3) digital precision, easy to learn by heart by examination (4) for clinical observation and scientific research applications. 2 Notes; (4) If the color vision abnormalities, further monochrome and color inspection. the subject's test results are normal vision, eye disease not found a total of 60 down, 37 patients were male and 23 female aged from 14 to 3O years back Occupation: Flight staff, students and medical personnel of the raft 2O cases. by the person responsible for inspection, at 8:00 or 15:00, a good indoor light, by the check is in the quiet and comfortable seat on the check, usually only once. if there is Lu asked to repeat an attack. monochrome Liu degree examination results 6 to 9, with a mean of 7.8 ± 0.77. the normal range of 6.29 to 9.30. mixed color Liu of 46 to 56, average value of 51 ± 2,6 a normal range of 45.90 to 56.09. sex, age and grade were not significantly different from men and the results were consistent decision table mixing scale below 60 below 10 but the grass scale of mixing than long shot Xinjiang 67 degrees to the clever, low color scale 12.5, may be related with the use of different equipment models NaBe Summary This article describes the generation of theory of color vision inspection cameras, use, precautions and benefits and re-check the basic theory of color vision and the retina function to check the health of people down 60 Chi 1 male 37 and female aged 23 down to 1 {.30 monochrome eight-year-old degree results 6 to 9, with a mean of 7.8 ± 0.77. the normal range of head 6.29 shad to the degree of mixing d6 9.30 to 56, with a mean of 51 ± 2.6, normal range from 45.90 to 56.09
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