ASTRONOMER
CONCAVELENS
CONVEXLENS
CORNEA
CORNEA
DIFFUSE
FOCAL
FOCUS
HUMANEYE
IMAGE
IRIS
IRIS
LENGTH
LENSE
LIGHT
LUX
MIRROR
MODEL
OPTICNERVE
PUPIL
PUPIL
REFLECTION
REFRACTION
RETINA
RETINA
SCATTERING
SCLERA
VIRTUAL
VISION
WAVES
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Try to find all 30 words on this board.
| M | I | R | R | O | R | Q | B | M | F | A | N | F | V | E | R | D | C | Z | M |
| O | A | A | G | P | N | T | R | V | R | Z | I | F | M | M | O | D | S | F | P |
| D | Y | S | C | L | Z | S | E | E | C | U | S | T | V | G | X | H | V | O | K |
| E | I | T | A | J | S | K | L | Y | V | B | G | W | K | H | F | D | E | A | C |
| L | R | R | K | E | L | C | F | J | P | M | B | U | O | X | U | S | N | B | R |
| L | H | O | A | W | S | C | A | T | T | E | R | I | N | G | U | I | O | Q | N |
| K | B | N | O | F | C | N | R | X | Q | M | B | F | V | C | T | R | A | I | T |
| Y | D | O | T | K | N | F | E | U | O | H | C | L | O | E | B | L | H | M | Z |
| H | U | M | A | N | E | Y | E | L | I | R | E | F | R | A | C | T | I | O | N |
| Y | M | E | G | H | X | J | I | X | E | H | K | B | G | W | V | Z | N | T | K |
| W | E | R | E | E | M | G | N | F | L | V | I | R | T | U | A | L | J | W | R |
| V | K | R | S | Y | H | P | L | O | X | W | A | V | E | S | E | E | C | M | B |
| S | K | R | U | T | L | E | O | V | I | D | V | C | C | M | N | N | V | A | H |
| A | I | U | F | O | C | H | E | H | C | S | Q | J | N | J | R | G | Z | M | X |
| S | R | R | F | T | E | V | R | E | N | C | I | T | P | O | O | T | S | C | L |
| S | I | R | I | O | Y | S | N | E | L | X | E | V | N | O | C | H | F | I | L |
| M | O | O | D | M | C | A | O | H | W | E | Y | Z | F | U | V | Y | X | I | G |
| Y | N | K | K | Y | A | A | T | U | B | P | L | W | G | Q | G | Q | P | W | V |
| E | E | T | H | Y | U | G | L | Q | V | H | K | M | B | N | M | U | Q | X | I |
| A | Z | B | L | U | S | N | E | Y | L | N | L | H | Y | B | P | F | L | U | L |
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