TỔNG HỢP HƠN 100 ĐỀ THI THỬ TỐT NGHIỆP THPT TOÁN 2024 - TỪ CÁC TRƯỜNG, TRƯỜNG...
Third OPTOMETRY RED AND GREEN GOGGLES.pptx
1. RED AND GREEN GOGGLES
BSV SEMINAR
SUBMITTED BY : AYSHABI ZUBAIR
2. RED AND GREEN FILTERS
■ THIS ARE RED GLASSES OF 640 nm AND GREEN 535 nm .
■ RED FILTER IN FRONT OF THE RIGHT EYE AND GREEN FILTER IN FRONT
OF THE LEFT EYE.
■ RED AND GREEN FILETRS ARE MAINLY USED FOR TESTING BINOCULAR
VISION IN WORTH FOUR DOT TEST
■ FOR MALINGERING TEST
■ RED AND GREEN FILTERS ARE ALSO USED TO COLOR SENSE OF
RETINA BEFORE SURGERY.
■ PRINCIPLE: DISSOSCIATE THE EYES USING COLOR SENSES.
3. HOW DO RED AND GREEN FILTERS
WORK??
■ The common use of red and green activities has the patient wear red
over the right eye and green over the left eye, this can be definitely be
reversed, but always keep red over right eye.
■ During the activity the patient is shown a block of text with a see
through red/green filters placed over the glasses.
■ The end result is right eye is unable to see items covered by the green
film and vice versa
■ Together a normal patient would be able to combine the images of the
right and left eye to overcome the blocked out letters.
