Which of the following statements is correct?

  • A
    Cornea is an external,transparent and protective proteinaceous covering of the eye-ball.
  • B
    Cornea consists of dense connective tissue of elastin and can repair itself.
  • C
    Cornea is convex,transparent layer which is highly vascularised.
  • D
    Cornea consists of dense matrix of collagen and is the most sensitive portion of the eye.

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Similar Questions

$X -$ Rod cells' function is twilight (scotopic) vision.
$Y -$ Cone cells' function is daylight (photopic) vision.

Answer briefly:
$(a)$ How do you perceive the colour of an object?
$(b)$ Which part of our body helps us in maintaining the body balance?
$(c)$ How does the eye regulate the amount of light that falls on the retina?

Which of the following statements are correct for the iris?
$(I)$. The ciliary body extends forward to form the iris.
$(II)$. It is a pigmented and opaque structure.
$(III)$. It is the visible coloured portion of the eye.
Choose the correct option.

Which part of the retina consists of only cones?

Which of the following is responsible for color vision?

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