Orthoptics
The Keystone eye-skill training s[eries] In the Great Forest of Hohlenhain, Czechoslovakia.
[Woman and girl walking on path along water]
The Mule Team
The Slanting Hotel
Negress and Hut
Taking a Bearing
Porch Scene
The Cathedral
The Fishermen
The Horse Cab
Four-in-Hand
Lone Fisherman
The Phenomenon of the Horizontal Moon
The Keystone eye-skill training series
[Stereographs of events and locations in Europe and North America]
Eye exercises (Not Used for Indexing)
Eyes
Therapy
Vision disorders
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