ametropy

ametropy

A patient reads an eye chart during an ametropy examination.

Definition

Noun (Medical/Ophthalmology): - Refractive error of the eye: "Ametropy" refers to any abnormal condition of the eye in which light rays fail to focus properly on the retina, resulting in blurred vision. This includes conditions such as myopia (nearsightedness), hyperopia (farsightedness), and astigmatism.

Usage Examples
  • (The doctor identified the refractive error and recommended glasses.)
  • (Young people with untreated refractive errors can have difficulty seeing clearly.)
  • (Surgical procedures can fix some refractive errors of the eye.)
Advanced Usage
  • "to correct ametropy": to treat refractive errors using lenses, surgery, or other methods.

    • The optometrist corrected the patient's ametropy with contact lenses. (The eye doctor fixed the refractive error using contacts.)
  • "ametropic eye": an eye affected by ametropy.

    • An ametropic eye cannot focus light accurately without assistance. (A refractive-error-affected eye needs help to see clearly.)
Variants and Related Words
  • Ametropic (adj): relating to or affected by ametropy.

    • The ametropic patient required bifocals. (The patient with a refractive error needed special glasses.)
  • Emmetropia (n): the normal condition of the eye where light focuses correctly on the retina.

    • Emmetropia is the opposite of ametropy. (Perfect vision without refractive error.)
Synonyms
  • Refractive error: a general term for conditions like myopia, hyperopia, and astigmatism.
  • Vision defect: an impairment in the ability to see clearly.
  • Ocular aberration: an abnormality in how the eye bends light.
Related Idioms
  • "Ametropy of judgment": a figurative use (rare) meaning a flaw in perception or reasoning.
    • His political views suffer from an ametropy of judgment. (His opinions are distorted or inaccurate.)