From:
Sir John Herschel
To:
Duncan [Stewart]
Date:
[31 October 1869]
Source of text:
TxU:H/L-0142; Reel 1054
Summary:
Explains cause of DS's double vision. Suggests corrective lenses [diagrams].
Contributor:
John Herschel Project
Showing 1–3 of 3 items
Explains cause of DS's double vision. Suggests corrective lenses [diagrams].
Comments on ability of eye to adapt to prismatic glass in corrective spectacles for double vision [see JH's 1869-10-31]. Heard of bad health of DS and John [Stewart]. JH is fighting bronchitis.
No permanent optical solution to DS's double vision. Remarks on description by DS's son of cavalry duty in Ireland and Canada.