Astigmatism (Noun)
Meaning 1
(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people.
Classification
Nouns denoting natural processes.
Synonyms
Related Words
Meaning 2
(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point.
Classification
Nouns denoting natural processes.
Examples
- The telescope's lens had a significant amount of astigmatism, causing blurry images of distant stars.
- Astigmatism in the microscope's objective lens made it difficult to obtain clear images of the microscopic samples.
- The optician carefully adjusted the lens to minimize astigmatism and improve the overall image quality.
- The camera's astigmatism was corrected by replacing the lens with a new one that had a more precise curvature.
- The astigmatism in the eyepiece of the binoculars caused a noticeable distortion of the image, making it uncomfortable to use for extended periods.