What is the term for a difficulty in seeing that may include blindness or partial sightedness?

Question

Quizplus · Accepted Answer

Visual impairment is a term that encompasses both blindness and partial sightedness. Visual acuity refers specifically to the clarity or sharpness of vision, while color blindness refers to a specific type of visual impairment that affects a person's ability to distinguish between different colors. Partial vision is not a commonly used term in the field of visual impairment.

What Is the Term for a Difficulty in Seeing That