mirrors
Optical tools depend on the wave behavior of light
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CONCAVE
CONVEX
CORNEA
IMAGE
LASER
LENS
OPTICS
PUPIL
RETINA
| L | A | S | E | R | J | A | L | O |
| E | B | T | I | O | N | H | E | N |
| N | A | Q | X | I | N | V | G | U |
| S | E | R | T | K | A | R | A | Y |
| O | N | E | U | C | R | U | M | D |
| G | R | C | N | E | W | U | I | D |
| V | O | O | P | T | I | C | S | N |
| Y | C | O | N | V | E | X | U | V |
| R | L | P | U | P | I | L | K | L |
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