astigmatisms in English

noun
1
a defect in the eye or in a lens caused by a deviation from spherical curvature, which results in distorted images, as light rays are prevented from meeting at a common focus.
Whether myopia, hyperopia or astigmatism is present, surgical correction attempts to redirect light rays to accommodate the refractive error.
noun

Use "astigmatisms" in a sentence

Below are sample sentences containing the word "astigmatisms" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "astigmatisms", or refer to the context using the word "astigmatisms" in the English Dictionary.

1. Laser treatment patterns are disclosed for correcting nearsightedness, farsightedness and astigmatisms.

2. Synonyms for Blindnesses include defects, myopias, amauroses, astigmatisms, cataracts, darknesses, presbyopias, sightlessness, anopsias and purblindness

3. Silicone lenses with defined astigmatisms (+1; +2; +4; +6 dpt) were put in front of the Achromate to produce an artificial corneal

4. Silicone lenses with defined astigmatisms (+1; +2; +4; +6 dpt) were put in front of the achromate to produce an artificial corneal astigmatism.

5. Astigmatism ( countable and uncountable, plural Astigmatisms ) ( optics) A defect of a lens such that light rays coming from a point do not meet at a focal point so that the image is blurred

6. En Reflection faults not higher than # dioptres for short-sightedness, hypermetropia, mixed and compound short-sighted or hypermetropic astigmatism, spherical and Astigmatical anisometropy (given the presence of the binocular vision) # dioptres for simple hypermetropic and short-sighted astigmatism # dioptres for the cylindrical component of compound astigmatisms