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A phosphene is the perception of light without light actually entering the eye, for instance caused by pressure applied to the closed eyes. A phenomenon that could be entoptical if the eyelashes are considered to be part of the eye is seeing light diffracted through the eyelashes.
The most common form of computer vision syndrome is a condition termed dry eye, which results in itchy, sore and even the illusion that something is stuck in your eye. This condition is often caused by extensively long period looking at a computer screen. Video screens have a design process for user interface.
With the eye generally profusely watering, the type of tears being produced have little adhesive property. Water or saline eye drops tend therefore to be ineffective. Rather a 'better quality' of tear is required with higher 'wetting ability' (i.e. greater amount of glycoproteins) and so artificial tears (e.g. viscotears) are applied frequently.
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While not everyone is cut out to be a doctor, millions of people around the world are happy to live vicariously through the lives of doctors and nurses by binge-watching medical dramas. “Grey ...
All eyes were on Hoda Kotb during the Feb. 1 episode of TODAY with Hoda & Jenna, but not for the usual reasons. Hoda got a contact lens stuck in her eye while she was hosting the show. “I think ...
The vitreous humour, or vitreous body, is a jelly-like, transparent substance that fills the majority of the eye. It lies within the vitreous chamber behind the lens, and is one of the four optical components of the eye. [8] Thus, floaters follow the rapid motions of the eye, while drifting slowly within the pocket of liquid. [9]
According to many neurologists, a frequent cause for headaches behind your eyes, especially if you get them often, may be your vision. ... If something starts suddenly and does not improve over a ...