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The RNFL formed by the expansion of the fibers of the optic nerve; it is thickest near the optic disc, gradually diminishing toward the ora serrata. As the nerve fibers pass through the lamina cribrosa sclerae they lose their medullary sheaths and are continued onward through the choroid and retina as simple axis-cylinders.
The GDx nerve fiber analyzers measure the retinal nerve fiber layer (RNFL) thickness with a scanning laser polarimeter based on the birefringent properties of the RNFL. Measurement is obtained from a band 1.75 disc diameters concentric to the disc. It projects a polarized beam of a light into the eye.
A year loss table (YLT) is a table that lists historical or simulated years, with financial losses for each year. [ 1 ] [ 2 ] [ 3 ] YLTs are widely used in catastrophe modeling as a way to record and communicate historical or simulated losses from catastrophes.
In statistics, a standard normal table, also called the unit normal table or Z table, [1] is a mathematical table for the values of Φ, the cumulative distribution function of the normal distribution.
Stress: Stress-induced hair loss is known as telogen effluvium, and it typically occurs a few months after a stressful event, like an illness, a breakup, or the loss of a loved one. With this, you ...
Leber's hereditary optic neuropathy (LHON) is a mitochondrially inherited (transmitted from mother to offspring) degeneration of retinal ganglion cells (RGCs) and their axons that leads to an acute or subacute loss of central vision; it predominantly affects adult males, and onset is more likely in younger adults.
In a study of 123 subjects with vision loss due to early stage giant cell arteritis, one-third of subjects had cotton wool spots present in their eyes. [2] Furthermore, because giant cell arteritis can lead to loss of vision and is associated with cotton wool spots, it is recommended to investigate for giant cell arteritis if cotton wool spots ...
It’s normal to lose 50 to 150 hairs per day. That may seem like a lot, but most people have about 100,000 hairs on their heads at any given time. ... “About 40% of women lose extra hair every ...