Test-types for the determinination [i.e. determination] of the acuteness of vision / by H. Snellen.
- Snellen, H. (Herman), 1834-1908.
- Date:
- 1862
Licence: Public Domain Mark
Credit: Test-types for the determinination [i.e. determination] of the acuteness of vision / by H. Snellen. Source: Wellcome Collection.
Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.
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