NCERT Solutions for Class 8 Science Chapter 16
Important NCERT Questions
8th Chapter 16 Light
NCERT Books for Session 2022-2023
CBSE Board and State Board
Questions No: 12
Explain how you can take care of your eyes.
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It is necessary that we take proper care of our eyes. If there is any problem we should go to an eye specialist. Have a regular check-up.
• If advised, we should use suitable spectacles.
• Too little or too much light is bad for eyes. Insufficient light causes eyestrain and headaches. Too much light, like that of the sun, a powerful lamp or a laser torch can injure the retina.
• We should not look at the sun or a powerful light directly.
• Never rub our eyes. If particles of dust go into our eyes, wash our eyes with clean water. If there is no improvement go to a doctor.
• Wash our eyes frequently with clean water.
• Always read at the normal distance for vision. Do not read by bringing your book too close to our eyes or keeping it too far.
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Caring for your eyes is essential for maintaining good vision and overall eye health. Here are effective practices to keep your eyes in good condition:
1. Regular Eye Check-ups: Schedule routine comprehensive eye exams with a professional to detect any issues early, even if you don’t have vision problems.
2. Balanced Diet: Consume fruits, vegetables, and omega-3 fatty acids to provide essential nutrients like vitamins A, C, and E, zinc, and lutein for optimal eye health.
3. Protective Eyewear: Wear safety glasses or goggles during activities with potential eye hazards, such as sports or hazardous material handling.
4. Eye Rest: To ease eye strain from screen time or close work, follow the 20-20-20 rule: every 20 minutes, take a 20-second break and look at something 20 feet away.
5. UV Protection: Shield your eyes from harmful UV rays by wearing sunglasses that block 100% of UV-A and UV-B radiation.
6. Proper Lighting: Ensure sufficient lighting when reading or working to avoid eye strain, and reduce glare by adjusting screen positions or lighting.
7. Hygiene Practices: Regularly wash hands to prevent eye infections, and avoid touching or rubbing your eyes to prevent the spread of germs.
8. Contact Lens Care: If you wear contacts, maintain proper hygiene, follow wearing schedules, and store lenses as directed by your eye care professional.
9. Stay Hydrated: Proper hydration supports overall eye health and helps prevent dry eyes.
10. Limit Screen Time: Take breaks from digital devices to reduce eye strain, adjusting screen settings for comfort.
Remember, promptly consult an eye care professional if you notice changes in vision, discomfort, or unusual symptoms in your eyes. Adopting these healthy habits and seeking professional guidance ensures the best care for your eyes throughout your life.