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- Author(s):
- Chisolm, Julian John, 1830-1903 author
- Publication:
- [Baltimore?] : [publisher not identified], [1887?]
- Subject(s):
- Refractive Errors -- diagnosis
Diagnostic Techniques, Ophthalmological -- instrumentation
- Author(s):
- Oliver, Charles A. (Charles Augustus), 1853-1911, author
- Publication:
- [Philadelphia?] : Dornan, printer, [1883?]
- Subject(s):
- Astigmatism -- diagnosis
Diagnostic Techniques, Ophthalmological -- instrumentation
Contrast Sensitivity
- Author(s):
- Burnett, Swan M. (Swan Moses), 1847-1906, author
- Publication:
- New York : G.P. Putnam's Sons, printers, [1885]
- Subject(s):
- Keratoconus -- diagnosis
Diagnostic Techniques, Ophthalmological -- instrumentation
Astigmatism -- diagnosis