When you are reading a book, using a computer, tablet or looking at nearby objects, your eyes usually move inward and work together to make...
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This tear gland produces liquid substances that lubricate the eye and cleans it. Some conditions make it unable to produce enough tears. An optometrist detects...
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Our eyes are one of the complex and vital organs in the body. Not only do we use them all the time (unless you are...
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