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What is Lag-Ophthalmos? | Etiology | complication | treatments

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 Lag-Ophthalmos This condition is characterized by the inability to close the eyelids voluntarily. Physiologically some people sleep with their eyes open (nocturnal lagophthalmos). Etiology It occurs in patients with paralysis of orbicularis oculi   muscles facial nerve palsy CN VII, Cicatricial contraction of the lids, Symblepharon - adhesion of eyelid to eyeball severe ectropion  - eyelid turns outward Marked proptosis Eyelid scarring Myxo-edema - hypothyroidism in adults Following over-resection of the levator palpebrae superior muscle for ptosis, and in comatose patients. Due to lack of blinking xerosis of the conjunctiva. Physiologically some people sleep with their eyes open (nocturnal lagophthalmos) in healthy individuals. Clinical features It is characterized by incomplete  The Closure of the palpebral aperture is associated with features of the causative disease. Complications Normally the cornea is covered by eyelids during sleep and is constantly kept mois...
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Colour blindness red, green |Test for colour blindness

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 Colour Blindness The inability of seeing color in a normal way is known as Colour blindness. Colour blindness is also known as color deficiency. It happens when someone did not recognize certain color. This usually happens between the color like red, green, and blue.  This diagnostic test will help to determine if you suffer from red-green color blindness. Can you identify the following numbers?  if you had difficulties in identifying the numbers you may be suffering from red-green color blindness and should consult with an optometrist. In the retina, we have two types of cells that detect light and color. They are rods and cones. Rods only detect light and dark which are sensitive to low light levels. whereas cones detect color and are concentrated near the center of vision. There are three types of cones that detect color: Red, Green, and Blue. Symptoms The symptoms of color blindness range from mild to severe. Most of the people did not recognize the color deficiency ...
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Third wave of coronavirus in Nepal | How dangerous can the 3rd wave be?

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  Covid-19 3rd wave(Delta plus) Now talking about Covid-19 we get to hear about a mutation named delta plus in the news. The Indian and Nepalese government has declared the delta plus variant as a variant of concern. And some people believe that there will be a third wave in India and Nepal because of the delta plus variant. The limited research conducted till now regarding it has found that the Delta plus variant is 60% more transmissible than the delta variant. And it is highly resistant against some drugs. But the reality is that we don't honestly know much about it. WHO (world health organization) has not declared it a variant of concern yet. Thought of experts in 3rd wave Indian council of medical research (ICMR) says that it is too soon to tell if there will be the third wave because of Delta plus variant. But the experts believe that there is a very high chance that there will be the third wave. The gap between the two waves is said to be generally 15- 16 weeks in an epidemi...
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