astigmia

• État médical affectant la vision, généralement causé par une courbure anormale de la cornée, entraînant une vision floue ; désigne également un défaut similaire dans les systèmes optiques.

A medical condition affecting the eyesight, typically caused by an irregular curvature of the cornea, leading to blurred vision; also refers to a similar defect in optical systems.

indénombrable

1. Ophthalmological conditionB2formalmedical

   A visual impairment caused by an irregular curvature of the cornea or lens, leading to blurred or distorted vision.

   Astigmie

   • The optometrist diagnosed her with astigmia during the eye exam.
   • People with astigmia often see lines as wavy or blurred.
   • Corrective lenses can effectively manage the symptoms of astigmia.

   Synonymesastigmatism

2. Optical defectC1formalscientific

   A flaw in an optical system where light rays from a single point do not converge at a single focal point, causing image distortion.

   Astigmatisme

   • The telescope's design was adjusted to reduce astigmia.
   • Astigmia in the lens caused the image to appear stretched.
   • Engineers corrected the astigmia in the camera's optical system.

   Synonymesastigmatism