PHILOSOPHICAL 
TRANSACTIONS. 
I. The Croonian Lecture. On the Power of the Eye to adjust 
itself to different Distances , when deprived of the Crystalline 
Lens. By Everard Home, Esq. F. R. S. 
Read November 5, 1801. 
It is intended, on the present occasion, to state some facts and 
observations, in support of an opinion advanced in a former 
lecture, that the adjustment of the eye to see objects at different 
distances, does not depend upon any internal changes in the 
crystalline lens. 
The first of the experiments which will be stated, was made 
with the assistance of the late Mr. Ramsden; and, had not 
the death of that valuable member of this Society deprived me of 
his further aid, the following observations would undoubtedly 
have been more deserving the attention of my learned audience. 
It is impossible for me to mention Mr. Ramsden, from whom 
I have received so much assistance in every pursuit connected 
with optics and mathematics, in which I have been engaged, 
MDCCCII. B 
