كيف تنطق astigmatism

ترجمة astigmatism

تعريف astigmatism

• (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
• (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point

ترجمة astigmatism

ترجمة astigmatism