The author said that it was sometimes impossible to relieve eyestrain, because impossible to reach causes. This should be understood, so that (1) the occupation and use of the eyes may be regulated to lessen symptoms; (2) that other physicians may not err in treatment which cannot reach the causes.
Reference: Gould GM. Incurable eyestrain. Arch Ophthalmol. 1906:445.
A look at the past . . .. Arch Ophthalmol. 2005;123(12):1761. doi:10.1001/archopht.123.12.1761