Question

State the function of the following in a human eye. (A).Cornea (B).Iris (C).Crystalline lens (D).Yellow spot (E).Aqueous Humour

Answer 1

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$\color{Blue}{CORNEA :-}$

★The cornea acts as the eye's outermost lens. It functions like a window that controls and focuses the entry of light into the eye. The corneacontributes between 65-75 percent of the eye's total focusing power.

$\color{Blue}{ IRIS:- }$

★Responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina. Eye color is defined by that of the iris.

$\color{Blue}{ CRYSTALLINE LENS :- }$

★Functions to change the focal distance of the eye so that it can focus on objects at various distances, thus allowing a sharp real image of the object of interest to be formed on the retina. 

$\color{Blue}{ YELLOW SPOT :-}$

★It is specialized for seeing things with highest clearness or visual acuity.


$\color{Blue}{ AQUEOUS HUMOUR :- }$

★The aqueous humour plays an essential role in the health of your eye. As well as nourishing the cornea and the lens by supplying nutrition such asamino acids and glucose, the aqueous humour will: Maintain intraocular pressure. Transport vitamin C in the front segment to act as an antioxidant agent


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