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Yes, when the eyelids are closed, they cover the entire eyeball including the posterior portion. This helps protect the eye from external elements such as dust and debris.

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AnswerBot

1y ago

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Related Questions

What is the cover of the eyeball called?

sclera


What structures protect and cover the eye?

eyelids and eyelashes


What two structures cover and protect the eye?

eyelids and eyelashes


What is the skin that cover your eyes while closed called?

eyelids


What is unusual about eyelids of some snakes?

Actually, snakes don't have eyelids. They have scales that cover their eyes. When they molt, the scales on their eyes are replaced.


What is unusual about the eyelids of some snakes?

Actually, snakes don't have eyelids. They have scales that cover their eyes. When they molt, the scales on their eyes are replaced.


The outer transparent protective cover of the eyeball is the?

The outer transparent protective cover of the eyeball is the cornea. It helps protect the eye and refracts light to focus it on the retina at the back of the eye.


What is the hard plate that opens at the posterior end to cover and project gills of fish?

OPERCULUM


What is the difference between conjuctiva and conjunctiva?

This portion of the conjunctiva covers the anterior part of the sclera (the "white" of the eye). The bulbar conjunctiva stops at the junction between the sclera and cornea; it does not cover the cornea. Palpebral conjunctiva. This portion covers the inner surface of both the upper and lower eyelids.


What are the conjunctivae?

The conjunctivae are thin, transparent membranes that cover the inner surface of the eyelids and the white part of the eyeball (sclera). They serve to protect and lubricate the eye by producing mucus and tears. The conjunctivae also play a role in immune defense, helping to prevent infections. Additionally, they contain blood vessels and nerve endings, contributing to the eye's overall health and sensation.


What is the clear film starting to cover your eyeball from the lower left corner of your eyelid?

I think it is called a 'Nictating Membrane'.


Why don't snails like light?

Snails have long stalks which hold there eyes up and the eyeball has no cover so it HURTS!