# Surface astigmatism correction using segmented freeform surfaces for a progressive addition lens

> Research article (Optics Express, 2022) · cited 12× · AI/ML

**Wikidata**: [openalex:W4307884793](https://www.wikidata.org/wiki/openalex:W4307884793)  
**Source**: https://4ort.xyz/entity/surface-astigmatism-correction-using-segmented-freeform-surfaces-for-a-progressive-addition-lens