2. Explain how we perceive objects as they are.
3. State any five precautions that are needed to take care of our eyes .
4 Explain how optical and non-optical aids help visually challenged persons to
develop their skills to a higher level.
5. What is the Braille system? How does it help the visually challenged persons?
Answers
2.The lens present in our eyes forms a real and inverted image on the retina. The optic nerves carry this image from the retina to the brain. The brain then processes this info to generate clear and virtual images. That's how we perceive objects as they are.
3.Eat at least 5 servings daily of fruits and vegetables.
Don't smoke.
Take regular breaks while doing computer work and other tasks that mostly involve your eyes.
Wear your glasses. ...
Wear sunglasses when out of doors. ...
Closely follow the recommended schedule for cleaning and wearing contact lenses.
4.the picture given up.
5.Braille is a tactile reading and writing system used by blind and visually impaired people who cannot access print materials. It uses raised dots to represent the letters of the print alphabet.
