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Anatomy of the Human Eye
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Sclera
Protects the inner components of the eye and provides attachment for extraocular muscles.
Macula
Responsible for central vision and high-resolution color vision.
Pupil
Allows light to enter the eye and reach the lens and retina.
Cornea
Refracts light to help focus it onto the retina.
Ciliary Body
Produces aqueous humor and involves in the eye's accommodation reflex by altering the shape of the lens.
Fovea Centralis
Provides the sharpest vision due to high concentration of cone cells.
Optic Nerve
Transmits visual information from the retina to the brain.
Vitreous Humor
Supports the globe of the eye and maintains its shape.
Choroid
Provides blood supply to the eye and absorbs stray light to prevent reflections.
Lens
Fine-tunes light focusing onto the retina.
Retina
Contains photoreceptors that convert light into electrical signals.
Aqueous Humor
Provides nutrients to the eye and maintains intraocular pressure.
Iris
Regulates the diameter of the pupil and thus the amount of light reaching the retina.
Rod Cells
Provide vision in low light conditions and peripheral vision.
Cone Cells
Responsible for color vision and visual acuity.
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