Answer: Glass shaped into lens can bend light that passes through it
- A healthy eye focuses light directly on the retina
- When a person's eyesight becomes poor the eye focuses light behind or in front of the retina
- 2 Conditions
- Hyperopia (far-sightedness) : When the eye focuses light behind of the retina.
- Myopia (near-sightedness): When the eye focuses light in front of the eye.
- A lens can be created to help correct such issues
- Lenses will correct bend in light back directly onto the retina