ametropia

Thân thiện

A child visits the optometrist for an ametropia check-up.

Definition

Noun (Medical/Ophthalmology term): A condition of the eye in which images are not focused properly on the retina due to a mismatch between the eye's optical power and its length. This results in faulty refraction of light rays, leading to blurred vision. Ametropia is the general term for common refractive errors.

Examples of Usage

• Myopia, hyperopia, and astigmatism are all forms of ametropia.
• An eye exam can diagnose the specific type of ametropia a patient has.
• Corrective lenses are prescribed to compensate for ametropia.

Advanced Usage

• "To correct ametropia": This phrase describes the action of using lenses or surgery to fix the refractive error.
  • Glasses and contact lenses are common methods to correct ametropia.

Variants and Related Words

• Ametropic (Adjective): Describing an eye that has a refractive error.
  • An ametropic eye requires corrective lenses for clear vision.

Synonyms

• Refractive error
• Vision defect

Different Meanings

This word has a single, specific meaning in the field of ophthalmology and does not have other common definitions.

Học thuật

Noun

1. (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia