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Titles
- A convenient prism scale1
- A new astigmatic test chart1
- A new instrument for testing the external ocular muscles1
- A new series of metric test-letters and words for determining the amount and range of accomodation1
- A simple and efficient test for binocular reading1
- An improved astigmatic chart1
- Enforcement policy for remote ophthalmic assessment and monitoring devices during the coronavirus disease 2019 (COVID-19) public health emergency: guidance for industry and Food and Drug Administration staff1
- New series of metric test-letters and words for determining the amount and range of accomodation1
- The genothalmic refractor: a descriptive manual of instruction in the use of the genothalmic refractor, with a short description of the genothalmic unit1
- The phoroptor1
- Two new astigmatic charts1