A Manual of Ophthalmic Practice |
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Page 1
... the surface , separating the two media , it is not deflected but continues its course in a right line . * Ninth Edition , translated by E. Atkinson , Ph.D. B The incident ray being represented by SO ( Fig . OPTICAL AND GENERAL OUTLINES.
... the surface , separating the two media , it is not deflected but continues its course in a right line . * Ninth Edition , translated by E. Atkinson , Ph.D. B The incident ray being represented by SO ( Fig . OPTICAL AND GENERAL OUTLINES.
Page 31
... course of rays from the light to the mirror and reflected from it , forming a slightly divergent pencil , which would after refraction be focussed at X , and consequently illuminates the fundus with diffuse light . αβ is the illuminated ...
... course of rays from the light to the mirror and reflected from it , forming a slightly divergent pencil , which would after refraction be focussed at X , and consequently illuminates the fundus with diffuse light . αβ is the illuminated ...
Page 78
... course of myopia there arise what are known as symptoms of irritation ; these consist in the occurrence of flashes of light , fiery sparks and circles , photophobia , a sense of fulness , and sometimes pains in the eyeballs . Whenever ...
... course of myopia there arise what are known as symptoms of irritation ; these consist in the occurrence of flashes of light , fiery sparks and circles , photophobia , a sense of fulness , and sometimes pains in the eyeballs . Whenever ...
Page 88
... course corrects 2 D of myopia in all meridians ; but we have found by our trial that in one meridian myopia of 4 D exists ; consequently , the spherical lens only neutralises of the defect in this meridian , another 2 D still remaining ...
... course corrects 2 D of myopia in all meridians ; but we have found by our trial that in one meridian myopia of 4 D exists ; consequently , the spherical lens only neutralises of the defect in this meridian , another 2 D still remaining ...
Page 99
... course , being increased in proportion as the convex spherical surface increases the myopia in the meridian on which it ( the cylindrical lens ) is alone in- tended to act . For instance , in a case where myopia of 2 D exists in the ...
... course , being increased in proportion as the convex spherical surface increases the myopia in the meridian on which it ( the cylindrical lens ) is alone in- tended to act . For instance , in a case where myopia of 2 D exists in the ...
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Common terms and phrases
accommodation affected amblyopia anomaly of refraction anterior chamber appear asthenopia astigmatism atrophy atropine axis bandage become blood cataract cause centre chamber choroid ciliary region colour commenced concave lens congenital conjunctiva convergence convex lens cornea corneal margin corneitis curette curvature degree of myopia dilated dioptric direction disease displacement distance emmetropic examination extraction eyeball eyelids forceps foreign body fundus glasses glaucoma globe hæmorrhage horizontal hypermetropia hypermetropic astigmatism incision increased inflammation inflammatory injury intolerance of light iridectomy iris iritis keratitis knife lachrymal lenses less lids lines lint lotion muscle myopia object occur ocular opacity opaque operation ophthalmia ophthalmoscope optic disc orbit pain paralysis passed patient performed portion posterior presbyopia pupil rays of light removed retina retinal vessels right angles scissors sclerotic seen sight spots staphyloma strabismus suppuration surface sutures sympathetic ophthalmia symptoms synechia syphilitic tension tion treatment tumour ulceration usually vitreous wire speculum wound
Popular passages
Page 318 - Walsham, besides being an excellent surgeon, is a teacher in its best sense, and having had very great experience in the preparation of candidates for examination, and their subsequent professional career, may be relied upon to have carried out his work successfully. Without following out in detail his arrangement, which is excellent, we can at once say that his book is an embodiment of modern ideas neatly strung together, with an amount of careful organisation well suited to the candidate, and,...