Review Of Related Diseases (RRD) 10 – Disorders Of The Neurological System Practice Test

Diplopia is best defined as which of the following?

double vision. loss of color vision. difficulty focusing at near distances. blurred vision not accompanied by double vision.

Correct Answer:

double vision.

Explanation:

Seeing two images of a single object is what diplopia means. This occurs when the eyes don’t align or when there’s an issue with the eye muscles or nerves, so the brain ends up receiving two separate images instead of one fused image. Diplopia can be binocular, where the double image goes away if one eye is closed, or monocular, where the double image persists even with one eye closed. The other options describe different problems: loss of color vision is a color-vision deficiency, difficulty focusing at near distances is an accommodation issue, and blurred vision without double vision is single-image blur from refraction or other causes.

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