Quote Originally Posted by QDO1
the patient could have had a latent RX of +0.25, and the myopic shift which ocours at night time causes the night RX to be -0.25. This shift occours because more of the red wavelength of light is used for night vision, than in the day time. I look seriously at a different RX for night time for all professional drivers
I didnt realise this could occur. But then im not in the business :shiner: