Abstract Title:

[Protective effect of blue light-absorbing IOLs on the human retinal pigment epithelium].

Abstract Source:

Ophthalmologe. 2010 Feb ;107(2):150-7. PMID: 19499230

Abstract Author(s):

M Kernt, C Hirneiss, A S Neubauer, C A Lackerbauer, K H Eibl, A Wolf, Mw Ulbig, A Kampik

Article Affiliation:

M Kernt


METHODS: Primary human RPE cells were exposed to white light and either a SN60AT or SA60AT IOL was placed in the light beam. After 15-60 min of irradiation, viability, induction of apoptosis and cell death were determined in primary human RPE cells. Expression of vascular endothelial growth factor A (VEGF-A) and the anti-apoptotic XIAP protein and their mRNA were determined by RT-PCR, Western blot analysis and ELISA.

RESULTS: Light exposure decreased cell viability depending on the duration of irradiation. Light-induced cell death and apoptosis as well as decrease of XIAP expression and cellular viability were significantly reduced by both the SN60AT and SA60AT IOL. In addition, these protective effects regarding light-induced cell damage were significantly stronger in the presence of the blue light-filtering SN60AT IOL compared to the SA60AT IOL.

CONCLUSION: Both UV-filtering and blue light-absorbing IOLs reduce light-induced RPE damage. The blue light-absorbing IOL further reduced damage compared to the conventional IOL, which supports the hypothesis of possibly also preventing retinal damage in clinical use.

Study Type : In Vitro Study

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