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What else can I help you with?
Do eyelids cover the posterior portion of the eyeball?
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.
Which portion makes up two thirds of the eyeball?
posterior segment
Describe the three chambers of the eyeball?
Anterior, Posterior, and Vitreous Chambers of the Eye
What structure keeps a contact lens on the cornea and prevents it from becoming lodged on the posterior surface of the eyeball?
conjunctiva
Definition of glaucoma?
a condition of increased pressure within the eyeball, causing gradual loss of sight.
What is eyeball?
An eyeball is a ball in your eye
What do you type in to get the EYEBALL on ROBLOX?
Eyeball
What is the difference between Myopia and Hypermetropia?
Myopia is characterised by a slight elongation of the eyeball, causing the image to fall in front of the retina, while hypermetropia is characterised by a slight shortening of the eyeball, causing the image to fall a little behind the retina. In both cases, blur circles are formed instead of image points leading to blurring of the overall image.
Is a infant eyeball the same size as adult eyeball?
No, an infant's eyeball is about 65 to 75% the size of a grown person's eyeball. They do get bigger, mostly before puberty.
Is eyeball a compound word?
Eyeball is a compound word.
What causes scaring behind eyeball?
Scarring behind the eyeball, often referred to as posterior segment scarring, can result from various conditions, including retinal detachment, inflammation (such as uveitis), trauma, or infection. These factors can lead to damage and subsequent scarring of the retina or other structures within the eye. Scarring can affect vision and may require medical evaluation and treatment, depending on the underlying cause.
What is the fluid in the posterior cavity of the eye?
vitreous humorA clear gel called vitreous humor (vitre = glassy) that binds tremendous amounts of water. It's functions are to:transmit lightsupport the posterior surface of the lenshold the neural retina firmly against the pigmented layercontribute to intraocular pressure to counteract the extrinsic eye muscles(taken right out of my A&P textbook)** Added by m5fanatic **Glad you could copy your text book, but the question asks about the posterior CAVITY of the eye, not the eyeball itself. Posterior to the eye is mucous membranes, the ocular muscles, etc.Aqueous HumorThe Vitreous humor in the posterior cavity behind the lens.Liquid Humerus
