The focusing system of eye is composed of several refractive structures. Which of the following has the maximum refractive index?
Correct Answer: Lens
Description: Refractive index: It is the ratio of sine of angle of incidence to the sine of angle of refraction. The refractive index of, Cornea: 1.37 Aqueous humour: 1.33 Crystalline lens: 1.42 Vitreous humour: 1.33 Also know: The total dioptric power of the eye is about +60 D out of which about +44 D is contributed by cornea and +16 D by the crystalline lens. Ref: Ophthalmology By A. K. Khurana, 3rd edition, Page 50.
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