limit your use of devices (computer or phone) to prevent eye strain and dryness.clean your hands and avoid touching your eyes to prevent infection.protect your eyes from injury at home and work.protect your eyes from sunlight - wear a hat and sunglasses with UV protection.Eye infectionsĮye infections such as conjunctivitis, trachoma, keratitis and stye can be caused by:Įye infections can cause red, itchy, painful eyes, and can sometimes cause vision loss if not treated quickly.ĬHECK YOUR SYMPTOMS - Use the Symptom Checker and find out if you need to seek medical help. This can be present when they're born, or soon after birth. Some people have genetic vision impairment. macular degeneration and other retinal diseases.Some eye conditions can cause damage to your vision, such as: This may lead to blindness or vision impairments such as: These problems can impact your education, employment, social life and mental health. It is important to take care of your eyes, to prevent problems such as poor vision, blindness, and eye infection. Your brain then recognises these nerve impulses, or messages, as a visual image. These nerve impulses, or messages, travel along your optic nerve to your brain. Rods and cones absorb light signals and change them into nerve impulses. rods, which identify shapes and movement.The retina is a layer of nerve tissue that includes: The cornea and lens focus the light onto your retina. It then travels through your pupil and lens. Light enters your eye through your cornea. the optic nerve, which is at the back of your eye.
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