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ABO NOCE Basic Opticianry

Category - Ocular Anatomy, Physiology, and Pathology

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The dark spots seen after being photographed with a flashbulb are known as:

Positive afterimages
Negative afterimages
Floaters
Cataracts

Explanation

Answer: B - Negative afterimages

The dark spots seen after being photographed with a flashbulb are known as negative afterimages. They occur because the retinal receptors have exhausted themselves with the high-intensity light and, as a result, become unresponsive for some time.

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