Summary

Asks for precise reference in Charles Bell to subject of CD’s question. Agrees to assist CD’s investigation. Asks about Bell’s observations on eyes engorged with blood. Has noticed that eyes of children with excessive photophobia tend to be pale when forced open.

Summary

Reports his observations on the concurrence of orbicular muscle spasms, engorgement of eyes with blood, and formation of tears.

Summary

Supposes that infants’ eyes bulge and become engorged with blood during fits of sneezing or screaming, but doubts Charles Bell’s experiment of opening and observing eyes turn from pale to red [Anatomy and philosophy of expression (1844)].

Discusses the action of the eye when looking at distant objects.

Summary

Is pleased CD approved of his effort ["Address in surgery", see 5219] in which he alluded to CD’s views.

Summary

Asks whether he may come with F. C. Donders to visit CD.

Summary

Discusses hereditary character of hypermetropia. Notes views of F. C. Donders on the subject.

Summary

Arranges to bring F. C. Donders to visit Down.

Summary

Thanks CD for Expression, comments on it.

Describes celebration of F. C. Donders’ 25th year as professor at Utrecht.

Summary

Will supply CD with information "as far as my knowledge extends".

Suggests CD visit him.

Summary

Gives lengthy details from his medical experience on how structural and other changes in the parts of the eye are related to lacrimation.

Mentions belief in CD’s views.