Search results
Results From The WOW.Com Content Network
Xerophthalmia (from Ancient Greek xērós (ξηρός) meaning "dry" and ophthalmos (οφθαλμός) meaning "eye") is a medical condition in which the eye fails to produce tears. It may be caused by vitamin A deficiency, [ 1 ] which is sometimes used to describe that condition, although there may be other causes.
Dry eye syndrome, also known as keratoconjunctivitis sicca, is the condition of having dry eyes. [2] Symptoms include dryness in the eye, irritation, redness, discharge, blurred vision, and easily fatigued eyes. Symptoms range from mild and occasional to severe and continuous. [3]
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more
Download data is sent downstream to an end-user, upstream from the provider. ISP = internet service provider. Downloading generally transfers entire files for local storage and later use, as contrasted with streaming, where the data is used nearly immediately while the transmission is still in progress and may not be stored long-term.
youtube-dl <url> The path of the output can be specified as: (file name to be included in the path) youtube-dl -o <path> <url> To see the list of all of the available file formats and sizes: youtube-dl -F <url> The video can be downloaded by selecting the format code from the list or typing the format manually: youtube-dl -f <format/code> <url>
A punctal plug, also known as tear duct plug or lacrimal plug, is a small medical device that is inserted into the tear duct (puncta) of an eye to block the duct. This prevents the drainage of liquid from the eye.
Conjunctivochalasis, also known as mechanical dry eye (MDE), is a common eye surface condition characterized by the presence of excess folds of the conjunctiva located between the globe of the eye and the eyelid margin.
This test is used when a person experiences very dry eyes or excessive watering of the eyes. It can cause damage to the cornea. [1] A negative (more than 10 mm of moisture on the filter paper in 5 minutes) test result is normal. Both eyes normally secrete the same amount of tears. It is named for Otto Schirmer. [2]