Worth 4 dot test is done for:
Ans. (c) Binocular visionRef: A.K. Khurana 6th ed. 1342* Worth four dot test (WFDT) is a test for binocular vision using red-green color dissociation.* It is a dissociation test which can be used with both distance and near fixation and differentiate between binocular single vision, abnormal retinal correspondence and suppression.* NOTE: result of WFDT can only be interpreted if the presence or absence of manifest squint is known at the time of testing.
Glaucoma
Color deficiency
Strabismus
Binocular vision
Squint
Binocular vision