Common Diseases of the Eyes

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Some problems of the eyes from functioning well:

Endoscopy Technology

What is ENDOSCOPY?

Information on AIDS

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What is AIDS?

Reflection of Light

Reflection is the bouncing of light waves when they strike a surface.

Incident Rays are the rays of light that strike the surface.

Reflected Rays are the rays of light that bounce off.

Light and shadow: Light Strikes in Materials

When light strikes an object, it is transmitted or absorbed, reflected, or bent.