A Handbook of the diseases of the eye and their treatmentP. Blakiston, Son, 1892 - 318 pages |
From inside the book
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Page 2
... are lightly deviated , but remain parallel to their original direction . Strictly aking , the principal axis is the only one which undergoes no deviation . d , Fig . 3 ) passing through them to. 2 DISEASES OF THE EYE .
... are lightly deviated , but remain parallel to their original direction . Strictly aking , the principal axis is the only one which undergoes no deviation . d , Fig . 3 ) passing through them to. 2 DISEASES OF THE EYE .
Page 4
... remain divergent , although not so much so as before their entrance into the lens . If we imagine those still divergent rays to be pro- longed backward , they would meet at V , which would be called the Virtual Focus . * O and V are ...
... remain divergent , although not so much so as before their entrance into the lens . If we imagine those still divergent rays to be pro- longed backward , they would meet at V , which would be called the Virtual Focus . * O and V are ...
Page 27
... remains as good as without the glass , he will avoid the mistake . If a glass a single number higher than the exact measure of the defect be placed before the eye , vision again becomes indis- tinct , because the rays are then brought ...
... remains as good as without the glass , he will avoid the mistake . If a glass a single number higher than the exact measure of the defect be placed before the eye , vision again becomes indis- tinct , because the rays are then brought ...
Page 46
... remains emmetropic ; and , consequently , he will see the central vertical line of the diagram distinctly , while the horizontal lines will be indistinct . By placing a -1.0 Cyl . with its axis vertical before the eye , in addition to ...
... remains emmetropic ; and , consequently , he will see the central vertical line of the diagram distinctly , while the horizontal lines will be indistinct . By placing a -1.0 Cyl . with its axis vertical before the eye , in addition to ...
Page 83
... remains normal , and the con- junctiva of the lower lid is more frequently attacked than that of the upper lid . Catarrhal , or Simple Acute , Conjunctivitis . - In mild cases the affection is confined to the palpebral conjunctiva ...
... remains normal , and the con- junctiva of the lower lid is more frequently attacked than that of the upper lid . Catarrhal , or Simple Acute , Conjunctivitis . - In mild cases the affection is confined to the palpebral conjunctiva ...
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Common terms and phrases
acuteness of vision affection amblyopia ametropia amplitude of accommodation angle anterior chamber appearance aqueous humor astigmatism atrophy atropine axis bandage become blennorrhoea bulbar capsule cataract cause centre chamber choroid chronic cicatrix ciliary ciliary body color concave conjunctiva convergence convex cornea cure defect dilated diplopia disease distance emmetropic epithelium external rectus eyeball eyelids fibres flap focus forceps foreign body glass glaucoma Graefe's hemianopsia hemorrhages horizontal hypermetropia incision infiltration inflammation iridectomy iris iritis lachrymal latter layers lens lesion liable light macula lutea margin method metres mirror motion muscle myopia normal object occurs opacity operation Ophthal ophthalmia ophthalmoscope optic nerve optic papilla orbital palpebral paralysis passed patient portion posterior prolapse pupil purulent rays refraction result retina sclerotic seen skin sometimes stage strabismus surface surgeon sutures swelling symptoms tarsus tension third nerve tion tissue Treatment tumor ulcer upper lid usually vertical meridian vessels vitreous humor wound
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