Woh’s four dot test is done for assessing:
Correct Answer: Binocular vision
Description: For this test, patient wears goggles with red lens in front of the right and green lens in front of the left eye and views a box withfour lights--one red, two green and one white. Intrerpretation- In normal binocular single vision, the patient seesall the four lights in the absence of manifest squint In abnormal retinal correspondence (ARC) patientsees four lights even in the presence of a manifestsquint * In left suppression the patient sees only two redlights, In right suppression the patient sees only threegreen lights In alternating suppression the patient sees threegreen lights and two red lights Note-SuppressionIt is a temporary active coical inhibition of the image of an object formed on the retina of the squinting eye. This occurs only during binocular vision (with both eyes open). when the fixating eye is covered, the squinting eye fixes (i.e., suppression disappears)
Category:
Ophthalmology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now