Understanding the Parts of the Eye and Eye Conditions

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What is the function of the sphincter pupillae?

Reduces intraocular pressure

Allows more light into the eye for better vision

Enlarges the pupil in low light conditions

Constricts the pupil in bright light (correct)

What is the physiological issue in open-angle glaucoma?

Efficient trabecular meshwork

Impaired drainage of aqueous humor (correct)

Increased drainage of aqueous humor

Decreased intraocular pressure

What can age, family history, and ethnicity do in relation to open-angle glaucoma?

Only affect central vision

Have no impact on the risk of developing open-angle glaucoma

Reduce the risk of developing open-angle glaucoma

Increase the risk of developing open-angle glaucoma (correct)

What is the role of dilator pupillae?

Enlarges the pupil in low light conditions Signup and view all the answers

What occurs in low light conditions?

Pupil dilation (mydriasis) Signup and view all the answers

What is a consequence of increased intraocular pressure in open-angle glaucoma?

Gradual vision loss due to optic nerve damage Signup and view all the answers

What is the normal function of aqueous humor?

To circulate through the anterior chamber of the eye Signup and view all the answers

What happens when the trabecular meshwork becomes less efficient?

Reduced drainage of aqueous humor Signup and view all the answers

What kind of treatment is often involved in managing open-angle glaucoma?

Medications to reduce intraocular pressure Signup and view all the answers

What is a consequence if open-angle glaucoma is left untreated?

Central vision loss if left untreated. Signup and view all the answers

Which part of the eye is responsible for maintaining the eye's shape?

Sclera Signup and view all the answers

What is the function of the vitreous humor in the eye?

Maintaining the eye's shape Signup and view all the answers

Which part of the eye contains photoreceptor cells that convert light into electrical signals?

Retina Signup and view all the answers

What is the function of the aqueous humor in the eye?

Nourishing the cornea and lens Signup and view all the answers

Which part of the eye regulates the size of the pupil?

Iris Signup and view all the answers

What is the function of the choroid in the eye?

Provides blood supply to the retina Signup and view all the answers

Understanding the Parts of the Eye and Eye Conditions

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