All about Color Vision Deficiency (Color Blindness): Introduction, Types, Symptoms, Risk Factors, Causes, Test (Diagnosis), and treatment. Do you think your eyes don’t see all colors? Do you have any confusion in distinguishing red or green color while looking at a combination of colors? If yes, then you may have color vision deficiency (or color […]
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All About Manual Lensometer & parts and functions of lensometer, working principle of focimeter (vertometer), optics, calibration, and procedure to read power in the glasses, bifocal glasses, progressive lens, and prism. What is a manual lensometer? A lensmeter or lensometer or focimeter or vertometer (manual or automated) is a microscope. The manual lensometer is defined
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All about drug abuse effects on the eye. Drug Abuse Effects on Eye The substance abuse crisis has become the major public health concern of the twenty-first century. According to the United Nations World Drug Report 2019, 35 million people worldwide suffer from drug use disorders while only 1 in 7 people receive treatment. The
All about negative side effects of cigarette smoking on the eyes and the effect of alcohol on the eyes. Smoking and Alcohol Effects on Eyes Although a small amount of alcohol may possibly provide some health benefits according to some research, regular consumption of alcohol in excess quantity and tobacco smoking affects the eyes, along
Do I need glasses? How do I know if I need glasses? Blurry vision, double vision, headache, damaged or scratched glasses, squinting, and eye fatigue are some of the striking signs you need glasses. Today’s topic is all about these warning signs. How do I Know if I Need Glasses? Signs You Need Glasses Approximately
All About Sudden Cloudy vision or Blurry Vision in One Eye: Causes, Symptoms, and Treatment. Sudden blurry vision in one eye Sudden blurry vision in one eye or cloudy vision in one eye is a partial or complete loss of vision in only one eye. Blurred vision in one eye happens due to various conditions,
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All about Colored Contact Lenses: Introduction, Colored Contacts Prescription, Types, Best color contact lens for dark brown, light eyes, and astigmatism, insertion, and removal of colored contacts. What are the Colored Contact Lenses? Colored contact lenses or colored contacts are the types of contact lenses that are used to alter the natural eye color, in
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All about exophthalmos, proptosis, or bulging eyes: Definition, Types, Causes, Symptoms, Evaluation, and Treatment. What is Exophthalmos or Proptosis? Also known as proptosis, exophthalmos is the medical term to indicate protruding eyeballs or bulging eyes. It could indicate a serious medical condition. Bulging eyes can be seen on both sides (bilateral proptosis) or just on
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All About Droopy Eyelid or Sagging Eyelid (Ptosis): Types, Causes, Symptoms, Evaluation, and Treatment. What is ptosis, droopy eyelid? Also known as the drooping eyelid, sagging eyelid, blepharoptosis, or ptosis of the eyelid is a condition in which the border of the upper eyelid of one or both eyes falls to a lower position than
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What Is Astigmatism? Today’s topic is all about Astigmatism of Eye: Definition, Causes, Types, Symptoms, Astigmatism Test Online for Free, and Correction. What is Astigmatism of Eye? Astigmatism Definition: Astigmatism of the eye is a common refractive error that causes blurry vision. It is defined as an error that occurs due to imperfection or irregularity
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