astigmia معنى

• اللَّابُؤْرِيَّة

تعريف الإنجليزية

الأسماء

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