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Merge branch 'patch-11' into 'master'

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Human eye introduction

See merge request magicalsoup/Highschool!30
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James Su 2020-01-09 01:33:59 +00:00
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Grade 10/Science/SNC2DZ/Unit 3: Physics.md
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@ -168,4 +168,16 @@ $`M = \frac{h_{i}}{h_{o}} = -\frac{d_{i}}{d_{o}}`$
- If positive, image is **upright and virtual**
- If negative, image is **inverted and real**
- If greater than 1, image is larger and farther from the optical centre than the object
- If less than 1, image is smaller and closer to the optical centre than the object
- If less than 1, image is smaller and closer to the optical centre than the object
## Human eye
- `Iris`: Controls amount of light entering eye
- `Lens`: Focuses light to form an **inverted real** image at the back of the eye
- `Retina`: Captures **light** and converts it to **electrical signals**
- `Optic nerve`: Transports information from the **retina** to the **brain** for processing
### Focusing problems
- `Myopia`: Near-sightedness
- `Hyperopia`: Far-sightedness
- `Presbyopia`: Far-sightedness due to aging
- `Astigmatism`: Blurry vision for everything