# Changes in corneal astigmatism and near heterophoria after smartphone use while walking and sitting

> Research article (PLoS ONE, 2020) · cited 17× · AI/ML

**Wikidata**: [openalex:W3107422823](https://www.wikidata.org/wiki/openalex:W3107422823)  
**Source**: https://4ort.xyz/entity/changes-in-corneal-astigmatism-and-near-heterophoria-after-smartphone-use-while-walking-and-sitting