Measuring light levels with photographic meters.
With proper conversion factors, light meters designed for photographic use may be used to measure clinical light levels. Conversion factors and use of these light meters are discussed.
D008029:Lighting; D009885:Ophthalmology / Q000295:instrumentation; D010781:Photography / Q000295:instrumentation*; D010783:Photometry / Q000295:instrumentation* / Q000379:methods; D014787:Vision Tests