50.0 MB (3.7 MB compressed)
3577 x 4887 pixels
30.2 x 41.4 cm ⏐ 11.9 x 16.3 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Metal and glass ophthalmoscope. The ophthalmoscope is used for the visual examination of the interior tissues of the eye using light. Early ophthalmoscopes were introduced in Britain in the 1850s. This instrument dates from 1890, England.
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