# Finite-depth and vari-focal head-mounted displays based on geometrical lightguides

> Research article (Optics Express, 2020) · cited 12× · AI/ML

**Wikidata**: [openalex:W3015033662](https://www.wikidata.org/wiki/openalex:W3015033662)  
**Source**: https://4ort.xyz/entity/finite-depth-and-vari-focal-head-mounted-displays-based-on-geometrical-lightguides