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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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6 Most common eye problems

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Eyes Problems Visibility of the world is under the eye so, it is the important sense organ of our body. In this 21st century, people are using mobile phones, computers, television for a long period of time. People are eating junk food, oily food. They are bringing new diseases day by day. Now talking about our eyes let's talk about  The most common problem of the eye.  Refractive error Conjunctivitis Cataract Glaucoma Diabetic Retinopathy Dry Eye Refractive error  Refractive error is the most common problem for many people. There are three types of refractive error include Hypermetropia: It is long-sightedness  Myopia: It is short-sightedness Astigmatism The inability to focus the image on the retina is due to blurred vision. It is also a serious problem for the eye if it is not treated on time. This disease can also lead to blindness. It can be treated by eyeglasses, contact lenses, or in some cases Surgery.  Conjunctivitis Any inflammation of the conjunctiva i...
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