Certified Paraoptometric (CPO) Practice Exam 2025

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Prepare for the Certified Paraoptometric Exam with our comprehensive quiz featuring multiple-choice questions. Each question is accompanied by hints and explanations, helping you build your knowledge and confidence. Get ready to excel in your career!

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Which instrument is designed for close examination of the eyelids and lashes?

Slit lamp
Biomicroscope
Ophthalmoscope
Retinoscope

The correct answer is: Biomicroscope

The instrument specifically designed for close examination of the eyelids and lashes is the slit lamp, also referred to as a biomicroscope. This device allows for a detailed view of both the anterior segment of the eye and the surrounding structures, including the eyelashes and eyelids. The slit lamp produces a narrow beam of light that can be adjusted to examine specific areas at various angles and magnifications, making it ideal for assessing conditions like blepharitis, meibomian gland dysfunction, or other eyelid disorders. While the biomicroscope is a term often used interchangeably with the slit lamp and can perform similar functions, the most common name recognized in clinical settings for this type of examination is the slit lamp. The other instruments mentioned, such as the ophthalmoscope, are primarily used for examining the interior of the eye, and the retinoscope is utilized for refraction assessments, not for close-up eyelid examination.