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Chapter 45 Terms
Assessing the eye and ear
Term | Definition |
---|---|
Accommodation | The ability of the eye to adjust to variations in distance |
Cerumen | Earwax |
Convergence | Moving the eyes inward toward the nose to see an object close to the face |
Corneal Reflex | Closure of the eye (blinking) due to corneal irritation |
Hyperopia | (farsightedness) A condition in which the eyeball is short, causing the image to focus behind the retina |
Myopia | (nearsightedness) A condition in which the eyeball is elongated, causing the image to focus in front of the retina instead of on it |
Presbyopia | Impaired near vision resulting from a loss of elasticity of the lens in the eye |
Pupillary light reflex | Reflex in which the pupil contracts in response to a bright light |
Refraction | The bending of light rays as they pass from one medium to another of different optical density |