Hemeralopia
Hemeralopia , noun
[New Latin, from Greek {not transcribed}, the opposite of {not transcribed}; {not transcribed} day + {not transcribed} of {not transcribed}. See Nyctalopia.]
(Medicine) A disease of the eyes, in consequence of which a person can see clearly or without pain only by daylight or a strong artificial light; day sight.
Some writers (as Quain) use the word in the opposite sense, i. e., day blindness. See Nyctalopia.