| toric lens | |
| —n | |
| a lens used to correct astigmatism, having one of its surfaces shaped like part of a torus so that its focal lengths are different in different meridians | |
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| the offspring of a zebra and a donkey. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| Main Entry: | toric lens |
| Part of Speech: | n |
| Definition: | a type of contact lens curved to have a different focal length along each axis to correct astigmatism |
| Example: | Properly fitting a toric lens takes more of your eyecare practitioner's time and requires more expertise than regular contacts. |
| Etymology: | 1954 |