Research Status
Scientific evidence for LCA based emmetropization control. I.e Refractify expected to work.
| Short term effects | Long term effects | ||
| Emmetropes | Myopes | ||
| Non-human vertebrates | Chicken: some related results on short term emmetropization c | Tree Shrews: can have "near-work" induced long term myopia.d Prevention by simulated LCA works.d |
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| Humans | Short term emmetropization control by simulated LCA on a TV screen does work in both directions. Screen distance was 2 m. b | Short term emmetropization control by LCA seems to be diminished or lost by adulthood b | Can have near-work induced long term myopia.e Prevention by simulated LCA may work. No long term results in humans yet. |
a: https://pubmed.ncbi.nlm.nih.gov/12358305/ , https://pubmed.ncbi.nlm.nih.gov/9727402/
b: https://www.nature.com/articles/s41598-022-26323-7
c: https://www.sciencedirect.com/science/article/pii/S0042698909004593
d: https://www.sciencedirect.com/science/article/abs/pii/S0014483522002676?via%3Dihub
e: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9512310/