안구의 앞부분을 덮고 있는 투명하고 단단한 막으로, 빛을 굴절시켜 망막에 상이 맺히게 하는 역할을 함.
The transparent, protective outer layer of the eye that covers the iris and pupil, acting as the eye's outermost lens to focus light.
예문:
"The surgeon performed a transplant to replace the patient's damaged cornea."
"Light enters the eye through the cornea, which helps focus the incoming image."
"Wearing contact lenses for too long can sometimes cause oxygen deprivation to the cornea."