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Updated: June 18, 2025
I began to ask him certain questions, going fully into the case in all its bearings. I then examined his eyes with the ophthalmoscope. The result of all this was to assure me beyond doubt that Sir Henry Studley was in a highly nervous condition, although I could detect no trace of brain disease. "Do you mind taking me to your room?" I said. "Not to-night," he answered.
The best of us learn to use the ophthalmoscope to look into the eye, to use the laryngoscope for the larynx, and can at need examine the urine and the blood, but the men must be rare who are as competent to use each and all of these means as persons who devote themselves to single branches of our work.
'Do you think I would let a bold, bad man like you stare into them with an ophthalmoscope? laughed Susie. 'Now look here, I want you both to do me a great favour. I'm giving a supper party at the Savoy, and two of my people have suddenly failed me. The table is ordered for eight, and you must come and take their places. 'I'm afraid I must get home, said Arthur.
Numerous other instruments of precision are now in constant use, among the most wonderful of which perhaps is the ophthalmoscope, whereby we are enabled to subject the retina and the intervening media of the eye to minute visual examination.
I listened carefully to his heart, the sounds of which were very distinct through the thin walls of his emaciated chest, but found nothing abnormal beyond the feebleness and uncertainty of its action. Then I turned my attention to his eyes, which I examined closely with the aid of the candle and my ophthalmoscope lens, raising the lids somewhat roughly so as to expose the whole of the irides.
In such case your best chance, indeed your only chance, is to keep quiet. You must not even think if possible of anything that may excite you. I am now about to examine you with the ophthalmoscope. You are a man; none of us who saw your splendid feat last night can doubt your pluck. Now I want you to use some of it to help us both.
The doctor shook his head as he slipped his ophthalmoscope into his pocket, and Rey, the trainer, who had been holding the bear's head still while the oculist made the examination, opened the door of the cage for him.
Use of the Ophthalmoscope. By T.C. Allbutt. London. Some physiologists consider that the period of growth extends to a later age than this. Dr. Anstie fixes the limit at twenty five. He says, "The central nervous system is more slow in reaching its fullest development; and the brain, especially, is many years later in acquiring its maximum of organic consistency and functional power."
The principle of the ophthalmoscope, that wonderful instrument for inspecting the interior of the eye, was expounded by Helmholtz in 1851. By its aid, not only the condition of that organ is explored, but indications of certain diseases in the brain, and in other parts of the body, are discovered. Helmholtz did an equal work in acoustics.
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