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Exam1_2017_with_key
Exam1_2017_with_key

... B) They become more noticeable when someone mentions them. C) They are mostly composed of collagen fibers released from the vitreous D) They appear to drift downward but they are actually floating upward E) They are visible because they are stationary on the retina. 7) Which is FALSE about the visib ...
Eye Floaters - Peak Frequency
Eye Floaters - Peak Frequency

... with the loss of vitamin C and Silica. When vitreous breaks down it forms little bubbles and those air sacs cast a shadow on the retina, generating the appearance of dark spots floating around in the visual field. These spots are harmless, painless, and may fade, but without proper nutrition they wi ...
“Floaters” are usually normal and harmless
“Floaters” are usually normal and harmless

... Floaters are actually tiny clumps of gel or cells inside the vitreous – the clear, jelly-like fluid that fills the inside of your eye. Floaters may look like specks, strands, webs or other shapes. Actually, what you are seeing are the shadows of floaters cast on the retina, the light-sensitive inner ...
flashes and floaters - Eye Doctors Portland
flashes and floaters - Eye Doctors Portland

... FLASHES AND FLOATERS What are floaters? The small specks or “bugs” that you may occasionally see moving across your vision are called floaters. They are most visible when you are looking at a plain background such as a white wall or the bright blue sky. Floaters are actually tiny clumps of gel or de ...
Crawford Eye Associates
Crawford Eye Associates

... Crawford Eye Associates ‘Floaters’ ‘Floaters’ are translucent specks that float about in your field of vision, sometimes making it difficult to see what is ahead. Most people have some floaters normally, but they often do not notice them until they become numerous or more prominent. People have been ...
What are they? Flashers and floaters are visual perceptions such as
What are they? Flashers and floaters are visual perceptions such as

...  Unusually large floaters that move across your visual field. They are most noticeable when looking at a white wall or clear sky.  Most of the time flashes and floaters are harmless, but if you get a lot of both suddenly, possibly accompanied by peripheral (side) vision loss, it could indicate a r ...
posterior vitreous detachment - Adelaide Eye and Retina Centre
posterior vitreous detachment - Adelaide Eye and Retina Centre

... Posterior vitreous detachment (PVD) is a rather dramatic event in the normal ageing process of the human eye. The large central cavity of the eye is filled with jelly-like material. This is called the ‘vitreous.’ This jelly is 98% water and 2% proteins, which give it a stiff consistency like gelatin ...
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Floater



Floaters are deposits of various size, shape, consistency, refractive index, and motility within the eye's vitreous humour, which is normally transparent. At a young age, the vitreous istransparent, but as one ages, imperfections gradually develop. The common type of floater, which is present in most persons' eyes, is due to degenerative changes of the vitreous humour. The perception of floaters is known as myodesopsia, or less commonly as myodaeopsia, myiodeopsia, myiodesopsia. They are also called Muscae volitantes (Latin: ""flying flies""), or mouches volantes (from the French). Floaters are visible because of the shadows they cast on the retina or refraction of the light that passes through them, and can appear alone or together with several others in one's visual field. They may appear as spots, threads, or fragments of cobwebs, which float slowly before the observer's eyes. As these objects exist within the eye itself, they are not optical illusions but are entoptic phenomena.
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