T
- telemicroscope
- terms relating to transmission, reflection and coatings
- terrestrial telescope
- test stimulus
- test stimulus pattern
- test tonometer
- threshold differential luminance, DLT
- threshold stimulus luminance, LT
- Threshold strategy
- tinted lens
- toric lens
- toroidal surface
- tracer
- trademark
- transmittance in the infrared A
- transmittance in the infrared B
- transmittance in the solar infrared spectrum
- transmittance in the solar ultraviolet A spectrum (SUVA)
- transmittance in the solar ultraviolet B spectrum (SUVB)
- transposition
- trial case lens
- trial frame
- trifocal lens
transmittance in the solar infrared spectrum
Mean of the spectral transmittance between 780nm and 2000nm, weighted by the solar spectral power distribution at sea level for air mass 2. NOTE: The values of ESl(l) are given in table A.3. solarer.


