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. 2014 Jan 7;281(1774):20132209. doi: 10.1098/rspb.2013.2209

Figure 1.

Figure 1.

The effect of OMT on VS-cone sensitivity. Solid thin line: the sensitivity of an unscreened sws1-pigment expressed in a VS-cone (λmax 405 nm); solid thick line: OMT of the common swift (table 1); dashed line: sws1-pigment screened by the ocular media. Ocular media screening decreases absolute sensitivity, shifts the absorbance peak to longer wavelengths and limits the visual range in the UV.