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Munson's sign is a V-shaped indentation observed in the lower eyelid when the patient's gaze is directed downwards. The medical sign is characteristic of advanced cases of keratoconus and is caused by the cone-shaped cornea pressing down into the eyelid.
A highly pronounced cone can create a V-shaped indentation in the lower eyelid when the person's gaze is directed downwards, known as Munson's sign. [14] Other clinical signs of keratoconus will normally have presented themselves long before Munson's sign becomes apparent, [ 46 ] and so this finding, though a classic sign of the disease, tends ...
Smokeless tobacco keratosis (STK) [4] is a condition which develops on the oral mucosa (the lining of the mouth) in response to smokeless tobacco use. Generally it appears as a white patch, located at the point where the tobacco is held in the mouth. The condition usually disappears once the tobacco habit is stopped.
In progress, but mostly complete. (Would be nice to know who coined the term keratoconus.) Consider changing the title of "Diagnosis" to "Signs" or "Signs and Diagnosis", then merge the section entitled "Possible complications" with it. Done. Consider adding mention of Munson's sign in signs/diagnosis section. Done
Corneal topography may show a "crab claw-like" appearance, a finding that is seen in both keratoconus and in pellucid marginal degeneration. Thus, if corneal topography is used for diagnosis, it should be in conjunction with clinical findings of peripheral, inferior corneal thinning. [8]
Fleischer rings are pigmented rings in the peripheral cornea, resulting from iron deposition [2] in basal epithelial cells, in the form of hemosiderin. [3] They are usually yellowish to dark-brown, and may be complete or broken. [4]
Corneal hydrops is an uncommon complication seen in people with advanced keratoconus or other corneal ectatic disorders, [1] and is characterized by stromal edema due to leakage of aqueous humor through a tear in Descemet's membrane. [2]
The mouth is the only place in the body which provides the sensation of taste. Due to these unique physiological features, the oral mucosa must fulfil a number of distinct functions. Protection: One of the main functions of the oral mucosa is to physically protect the underlying tissues from the mechanical forces, microbes and toxins in the ...