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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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Chalazion(Etiology,symptoms,signs,complication,treatment)

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The tarsal or meibomian cyst is a chronic non-infective (non-suppurative) lipogranulomatous inflammation of the meibomian gland is called a chalazion . This is the commonest of all lid lumps. Glands of eyelids Meibomian glands Glands of Zeis Glands of moll Accessory lacrimal glands of wolverine Etiology Predisposing factors are similar to a hordeolum. Pathogenesis. First, there occurs mild grade infection of the meibomian gland by organisms of very virulence. The pent-up and extravasated secretion act like an irritant and excite non-infective  lipogranulomatous inflammation of the meibomian gland and surrounding tissue. Symptoms Painless swelling in the eyelid, gradually increases in size is the main presenting symptom. The Mild heaviness in the lid may be felt with moderately large chalazion. The Blurred vision may occur occasionally due to induced astigmatism by a very large chalazion pressing on the cornea. The Watering may occur sometimes due to eversion of the lower punctum ca...
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5 tipes to improve your eye health

 Don't take your eye for granted. Take these easy steps to keep your eye healthy. No.1 Eat varieties of fruits and vegetables  Eating varieties of fruits and vegetables regularly can improve retina of the eye that gives you your eyesight. It is one of the most highly metabolic tissue in your entire body and that means the nutrition play a huge role.  So, that the retina is able to function properly. As you know that the carrot is best for the eye but recently science has shown that green leafy vegetables is better because of lutein. Lutien is an antioxidant that found in green leafy vegetables which contain very high concentration in the centre part in the back of the eyeball called macula. Macula is the centre part of your vision that gives you a sharp reading ability, colour perception etc. So, bring green leafy vegetables in your daily life for better vision. No.2  20/20/20 rules Let's talk about 20/20/20 rules. After working on computer for 20 minutes take a rest...
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