An examination, under atropine, of the refractive state of eyes with normal vision (20/20), and which had never been affected with asthenopia or inflammation / by D.B. St. John Roosa.

  • Roosa, D. B. St. John (Daniel Bennett St. John), 1838-1908.
Date:
[1878?]
Catalogue details

Licence: Public Domain Mark

Credit: An examination, under atropine, of the refractive state of eyes with normal vision (20/20), and which had never been affected with asthenopia or inflammation / by D.B. St. John Roosa. 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.

    4/10 (page 4)
    V. —W. H., JEt. 32. Has not been a very constant student; never the slightest trouble with his eyes, except occasionally after reading very fine print by gaslight for several hours, eyes have felt tired and he has been inclined to rub them ; never obliged to stop work on account of his eyes. Is in good health and of robust appearance. After the use of atropia three times a day for three days, V. = and all glasses are rejected. VI. —W. F. C., £Et. 27. School at an early age; has studied medicine for a year. Interval of ten years, when his eyes were used only in ordinary reading. “ Fatigue ” of eyes after three hours’ work. Is robust and in good general health, V. = |-j>- R.E., accepts + Jj, rejects + -g-L ; L.E., f-g- + blurs ; atropia two days, L.E.V. — ^_Q. • with -4- -jr’-TT- “ — VII. —H. R. D., mt. 21. At school until eighteen; writing for a year after ; has studied medicine since. V. = |-g- + blurs ; after one use of atropia, V. was not f-g- unless with + VIII. —R. D. B., aet. 22. Has always been a student; = rejects 4- -gJy. Atrojria for three days, V. = declines + IX. —C. A. V. R., mt. 22. At school regularly in Germany from sixth to seventeenth year; studied medicine three years; never the slightest asthenopia. L.E., V. = |g-, all convex glasses blur. Four-grain solution atropia four times in eighteen hours. V. = -f-g-, with -F = U- X. —D. M., set. 26. Has been a student since five years of age. V. -|-g ; atropia in left eye for two days. V. = f g, with + = |-g-; third day |g; with + |g. XI. —W. A. W., aet. 24. Always a student. V. = |-g; + -gV blurs. Atropia in left eye for two days. V. = with -f |-g — (it is a dark day), and the observer’s vision is also -|g —. XII. —G. M. B., set. 23. Went to school from five till eleven ; then salesman and bookeeper ; has studied medicine two and a half years. R.E., V. = ff ; L.E., |-g ; all convex glasses blur ; atropia one day. R.E., V. =: ; with -F = fo-- XIII. —B. W., aet. 27. Went to school four months a year until fifteen; then to an academy two years for eight months in a year; taught school for four years; has been studying medicine for three years. V. = -|g-, + blurs ; atropia one day in each eye. V. =: |g, each eye, with -F -^^4, fg. XIV. —Dr. S., aet. 22. V. = fg, each eye. Was for two weeks under the influence of a four-grain solution of sulphate of atropia ;