Certified Paraoptometric (CPO) Practice Exam 2025

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What term is commonly used to describe conditions related to vision?

  1. Ocul

  2. Irid

  3. Opt

  4. Corne

The correct answer is: Opt

The term "Opt" is derived from the Greek word "optos," which pertains to vision or sight. It is widely used in the field of optometry and ophthalmology to describe various aspects of vision-related conditions, treatments, and tools. For example, terms like "optometry," "optical," and "optician" all center around vision care and services. The other terms listed—while they are associated with specific parts of the eye—do not encompass the broader category of vision conditions. "Ocul" refers to the eye in general, "Irid" specifically relates to the iris, and "Corne" pertains to the cornea. Thus, "Opt" is the most appropriate choice to describe conditions related to vision overall.