...separated from it), x thickeningof the horny plate at the point where the lens has severed itself, glcorpus vitreum, r retina, u pigment membrane... 
Ernst Haeckel 「The Evolution of Man」
...One would suppose it to be an annular eclipse,with the difference that this can be observed with the naked eye,without fatigue to the retina, and drawn quietly...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...This was a precaution that occurred to me, as there was a possibility that the vertical diameter of the retina might be more or less sensitive than the horizontal one...
Edward Singleton Holden 「Sir William Herschel: His Life and Works」
...Greatas may be the delicacy of the retina, it is not adequate to theperception of form in a picture so minute...
Robert Stawell Ball 「The Story of the Heavens」
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bustard tours accommodated
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