Light-at-night exposure drives myopia via melanopsin signalling - PubMed
4 hours ago
- #circadian-rhythm
- #myopia
- #melanopsin
- Light-at-night (LAN) exposure is linked to myopia development via melanopsin signaling.
- LAN disrupts circadian clock genes (Arntl, Cry1, Per1, Per2) and reduces melanopsin in ipRGCs, leading to axial elongation.
- Melanopsin-knockout mice resist LAN-induced myopia, confirming melanopsin's role in ocular growth.
- Epidemiological data shows LAN exposure increases myopia risk in humans.
- Melanopsin signaling is a potential target for myopia prevention and therapy.