Refraction & Lenses Crossword

What lens is found in our eye.
What lens looks like a cave.
What type of image in your eye called.
What does a mirror do.
What does a concave lens do.
A square thing that reflects.
Bending light rays.
Lines which light stream from the sun.
Natural agent that sight & makes things visible.
Center or point.
An optical appearance reflected in a mirror
Smaller in size.
An image that is not real.
An object that focuses & modifies direction of light.
Put upside down or in the opposite position
A line passing through the center of curvature