| A | B |
| Cornea | protects your pupil and lens so nothing can enter your eyes |
| Retina | The part of the eye that sees light |
| Pupil | the little black part in the middle of the iris |
| lens | the lens is located in the back of the pupil. It helps you see sharp images. |
| vision | the ability to see |
| optic nerve | a "wire" that connects the eye with the brain |
| translucent | an object that lets some light but not all of the light through |
| opaque | and object that lets no light go through |
| transparent | an object that lets all the light go through |
| light waves | light travles in waves |
| reflective light | light that bounces of a shiny object back at you |
| luminous light | a shining light |
| absorption | the soaking up of matter |
| microscope | a tool that makes things bigger |
| telescope | a tool to see far away things closer |