A Practical treatise on the diseases of the eyeLindsay & Blakiston, 1875 - 1188 pages |
Contents
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Common terms and phrases
abscess accommodation action acute adhesion anterior chamber aperture appear applied aqueous humour artery astigmatism atrophy blood body bone capsule cataract cause centre chamber choroid cicatrix cilia ciliary muscle ciliary processes colour concave conjunctiva contraction convex cornea crystalline lens cyst cysticercus degree dilatation direction disease dissection duct edge effect ensue entropium escape external extraction eyeball eyelid fibres forceps gland hæmorrhage hypermetropia inches incision inflammation inflammatory injury iris iritis irritation knife lacrymal lenses less light margin membrane meridian myopia nævus natural needle nerve object occur ocular opacity opaque operation ophthalmic ophthalmoscope optic orbit pain palpebral paralysis partial passed patient portion position posterior pressure produced prolapse protrusion pupil purulent rays rectus refraction removed retina sclerotica seen side sight sinus skin sometimes squint suppuration surface surgeons sutures symptoms tarsal tion tissue treatment trichiasis tumour ulceration upper eyelid vascular vertical vessels vision vitreous humour wound
Popular passages
Page 971 - ... choroid to shine through it, and is irregular in outline, rising into small dark-coloured knobs, where the pressure has been most severe, or the absorption most rapid. In many instances, it is so densely covered with large varicose vessels that no alteration in colour is perceptible.
Page 624 - Thus the natural refraction of the lenses of the eyeball is permanently perverted ; the parallel rays of light are brought to a focus before they reach the...
Page 232 - ... that the ratio of the sines of the angles of incidence and refraction is constant for refraction in the same medium, was effected by Snell and Descartes.
Page 759 - But if not in good health, he endeavours to bring him into that condition by every means, and resolutely resists every attempt to induce him to operate until he has accomplished that object. Above all things, he thinks that the state of the digestive organs should be fully studied, and when found defective, if possible repaired.
Page 401 - STRABISMUS. drawn in towards the inner edge of the orbit. But the outer edge of the caruncle, together with the semilunar fold and an adjoining portion of conjunctiva, are drawn backwards into a furrow. This is partly due to the fact that, during the movements of the eye, the conjunctiva lies, up to a certain point, in close apposition to the eyeball ; and partly also to the fact that...
Page 450 - Wholly, aged twenty-three, came under my care nine years ago, when fourteen years old, having congenital jataracts of both eyes, on which I operated with success. Some circumstance induced her mother to go out of town suddenly, before the eyes were quite clear, and I did not see her again until the llth of March last, when a small portion of capsule appeared to impede vision at the lower part of the pupil...
Page 760 - The abdominal evacuation should, with the least apparent necessity, be examined for evidence of the hepatic state, and for information respecting the digestion of food, particularly in those past the meridian of life, because it is then that these functions are mostly at fault, and all kinds of operations less successful. In the majority of persons far advanced in years, who have passed through operations under my hands, it has been necessary to increase, or, if I may so call it, force the circulation,...
Page 678 - ... or else the muscular portion will not be effectually removed. The wound should be very carefully sponged during the operation. Any arterial jet must be checked by temporary pressure with the finger. I have never found a ligature to be necessary. The exposed surface must be inspected, and. if any muscular fibres have escaped, the forceps and knife must be reapplied. The assistant should...
Page 759 - ... the deposition of uric acid, or of the urate of ammonia, being a sure indication of dyspepsia, or excess of nitrogenized food, or of fever; and that of phosphate of lime or the triple phosphate, of the opposite states of prostration and nervous depression.
Page 399 - ... the muscle and gently break up any bands of connective tissue, which may attach it to the sclerotic. As he does this, he should draw upon the ligature and sway it from side to side until it becomes evident that any adhesions which might obstruct the advancement of the muscle, have been overcome. He should now estimate the amount of adduction which may be necessary to cure the divergence. This he can do by catching with forceps the sclerotic edge of the cut tendon of the external rectus and drawing...