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. 2017 Feb 18;10(2):191–202. doi: 10.18240/ijo.2017.02.03

Figure 3. Histological analysis.

Figure 3

A: Normal retinal layers in the control group compared to different LED light exposure-induced retinal injuries, including the absence of photoreceptors and INL degeneration; B: The ONL thickness of the exposure groups decreased significantly after 28d of light exposure. The blue LED group exhibited the strongest loss; n=6 for the control group and n=8 for each exposure group. GCL: Ganglion cell layer; INL: Inner nuclear layer; ONL: Outer nuclear layer; PIS: Photoreceptor inner segment; POS: Photoreceptor outer segment. The retinal pigment epithelium (usually next to the POS layer) is detachedand cannot be found within this scope in A. aP<0.05, bP<0.01, cP<0.001 compared with the control group; scale bar=50 µm.