# Portable electronic vision enhancement systems in comparison with optical magnifiers for near vision activities: an economic evaluation alongside a randomized crossover trial

> Research article (Acta Ophthalmologica, 2016) · cited 34× · AI/ML

**Wikidata**: [openalex:W2526115534](https://www.wikidata.org/wiki/openalex:W2526115534)  
**Source**: https://4ort.xyz/entity/portable-electronic-vision-enhancement-systems-in-comparison-with-optical-magnifiers-for-near-vision-activities-an-econo