Method for producing an ophthalmic element adapted for see-through when used by a wearer equipped with said element, and adapted for stimulating at least one non-visual physiological effect, the element having a spectral filtering effect according to a spectral light transmittance T expressed as percentage values over the wavelength visible range [380 nm - 780 nm], wherein the element is adapted so that a value of an efficiency factor F computed for said element is higher than or equal to 30, preferably higher than 70, more preferably higher than 90, said efficiency factor value being computed based on the transmittance T, on a spectral sensitivity profile M of the non-visual physiological effect, and on a spectral distribution E of light intensity corresponding to at least part of the light which enters into the wearer's eye without using the filter, said efficiency factor F for the filter is computed using the following formula: F = 100 − ∫ 380 nm 780 nm E λ ⋅ M λ ⋅ T λ ⋅ dλ ∫ 380 nm 780 nm E λ ⋅ M λ ⋅ dλ wherein: λ is light wavelength within the visible range; T is the transmittance value of the filter at wavelength A, T is expressed as a percentage value; M is a value of the spectral sensitivity profile M of the non-visual physiological effect at wavelength A, M is expressed as a percentage value; and E is a value of the spectral distribution E of the light intensity at wavelength λ E(λ) is expressed in watt per square meter and per nanometer, and wherein the efficiency factor value is higher than or equal to K x b*, K being a coefficient higher than or equal to 1, and b* being a CIE Lab colorimetric parameter for the light transmitted through the element, CIE illuminant D65 being used for assessing the b* value; wherein the at least one non-visual physiological effect is stimulated by reducing a light amount which enters into the wearer's eye and which is comprised within a spectral sensitivity range of melanopsin, and the spectral sensitivity profile M which is used for computing the efficiency factor value of the element is a spectral sensitivity profile of melanopsin, the method comprising a step of producing the ophthalmic element comprises selecting appropriately parameters or components of the ophthalmic element, including die molecules, filter thickness and die concentrations for an absorption-based filtering, or including a light-wave propagation medium, thickness of the light-wave propagation medium, interface forming materials or interface layers for a reflection-based filter. wherein the element is adapted so that a value of an efficiency factor F computed for said element is higher than or equal to 30, preferably higher than 70, more preferably higher than 90, said efficiency factor value being computed based on the transmittance T, on a spectral sensitivity profile M of the non-visual physiological effect, and on a spectral distribution E of light intensity corresponding to at least part of the light which enters into the wearer's eye without using the filter, said efficiency factor F for the filter is computed using the following formula: F = 100 − ∫ 380 nm 780 nm E λ ⋅ M λ ⋅ T λ ⋅ dλ ∫ 380 nm 780 nm E λ ⋅ M λ ⋅ dλ wherein: λ is light wavelength within the visible range; T is the transmittance value of the filter at wavelength A, T is expressed as a percentage value; M is a value of the spectral sensitivity profile M of the non-visual physiological effect at wavelength A, M is expressed as a percentage value; and E is a value of the spectral distribution E of the light intensity at wavelength λ E(λ) is expressed in watt per square meter and per nanometer, λ is light wavelength within the visible range; T is the transmittance value of the filter at wavelength A, T is expressed as a percentage value; M is a value of the spectral sensitivity profile M of the non-visual physiological effect at wavelength A, M is expressed as a percentage value; and E is a value of the spectral distribution E of the light intensity at wavelength λ E(λ) is expressed in watt per square meter and per nanometer, and wherein the efficiency factor value is higher than or equal to K x b*, K being a coefficient higher than or equal to 1, and b* being a CIE Lab colorimetric parameter for the light transmitted through the element, CIE illuminant D65 being used for assessing the b* value; wherein the at least one non-visual physiological effect is stimulated by reducing a light amount which enters into the wearer's eye and which is comprised within a spectral sensitivity range of melanopsin, and the spectral sensitivity profile M which is used for computing the efficiency factor value of the element is a spectral sensitivity profile of melanopsin, the method comprising a step of producing the ophthalmic element comprises selecting appropriately parameters or components of the ophthalmic element, including die molecules, filter thickness and die concentrations for an absorption-based filtering, or including a light-wave propagation medium, thickness of the light-wave propagation medium, interface forming materials or interface layers for a reflection-based filter.