Binocular Vision Testing

Question 1

Lights

Answer 1

1 red, 2 green, 1 white

Question 2

If RIGHT eye green glasses,
LEFT eye red glasses:

4 lights in ophthophoric patient

Answer 2

Normal binocular single vision

Question 3

If RIGHT eye green glasses,
LEFT eye red glasses:

4 lights in manifest squint

Answer 3

Harmonious abnormal retinal correspondence

Question 4

If RIGHT eye green glasses,
LEFT eye red glasses:

2 red lights

Answer 4

Right suppression

(red glasses block green light - so just red dot and white dot seen)

Question 5

If RIGHT eye green glasses,
LEFT eye red glasses:

3 green lights

Answer 5

Left suppression

(green glasses block red light so 2 green and 1 white seen by right eye)

Question 6

If RIGHT eye green glasses,
LEFT eye red glasses:

5 lights

Answer 6

diplopia