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 World Sight DayThe theme of World Sight Day, this year, is Gender and Eye Health. Approximately 314 million people worldwide live with low vision and blindness. World Sight Day (WSD) is an annual day of awareness to focus global attention on blindness and vision problem  Defective visionDefective vision is powerlessness of eyes. The categories of defective vision are myopia or short sightedness, long sightedness and color blindness. Short sightedness means incapability of seeing far objects where as long sightedness means incapabili |
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