Sunglass lens comprising a substrate and a filtering mean which has at least a minimum light transmission factor "Tmin (515-580)" in the visible spectrum at a wavelength ranging from 515 nm to 580 nm which is in the range from 3% to 5%, and for which a luminous transmission Tv is ranging from 8% to 18%, said optical lens having the following transmission characteristics in the visible spectrum ranging from 380 to 700 nm: - the transmission curve has a negative relative slope on the wavelength ranging from 485 to 515 nm and absolute value of said relative slope is larger than 4 10 -3 nm -1 , preferably larger than 6.6 10 -3 nm -1 , even preferably larger than 8.2 10 -3 nm -1 - the transmission curve has a positive relative slope on the wavelength ranging from 580 to 610 nm and value of said relative slope is larger than 4 10 -3 nm -1 , preferably larger than 6 10 -3 nm -1 , - an average transmission on the range from 435 to 485 nm which is larger than 5% and larger than the T515-580, T515-580 being the average transmission over the range from 515 nm to 580 nm, - an average transmission on the range from 610 to 700 nm which is larger than T515-580, - an average transmission on the range from 515 to 580 nm which is lower than (T500 + T595)/2, T500 being the transmission at 500 nm T595 being the transmission at 595 nm, - a Qred/Qgreen as described in the Q values according to the standard ISO 13666 - 2013 which is ranging from 2.5 to 5.0 and the ratio Qblue/Qgreen is ranging from 1.1 to 2.5 and Qgreen ≥ 0.6, and wherein said filtering mean is an absorbing dye having a narrow absorption band in the green light of the visible spectrum ranging from 500 to 580 nm, said absorption band being centered on around 560 nm, and wherein said sunglass lens comprises further a polarizing film or an asymmetric interferential coating. - the transmission curve has a negative relative slope on the wavelength ranging from 485 to 515 nm and absolute value of said relative slope is larger than 4 10 -3 nm -1 , preferably larger than 6.6 10 -3 nm -1 , even preferably larger than 8.2 10 -3 nm -1 - the transmission curve has a positive relative slope on the wavelength ranging from 580 to 610 nm and value of said relative slope is larger than 4 10 -3 nm -1 , preferably larger than 6 10 -3 nm -1 , - an average transmission on the range from 435 to 485 nm which is larger than 5% and larger than the T515-580, T515-580 being the average transmission over the range from 515 nm to 580 nm, - an average transmission on the range from 610 to 700 nm which is larger than T515-580, - an average transmission on the range from 515 to 580 nm which is lower than (T500 + T595)/2, T500 being the transmission at 500 nm T595 being the transmission at 595 nm, - a Qred/Qgreen as described in the Q values according to the standard ISO 13666 - 2013 which is ranging from 2.5 to 5.0 and the ratio Qblue/Qgreen is ranging from 1.1 to 2.5 and Qgreen ≥ 0.6, and wherein said filtering mean is an absorbing dye having a narrow absorption band in the green light of the visible spectrum ranging from 500 to 580 nm, said absorption band being centered on around 560 nm, and wherein said sunglass lens comprises further a polarizing film or an asymmetric interferential coating. <EOS>