A Handbook of the diseases of the eye and their treatmentP. Blakiston, Son, 1892 - 318 pages |
From inside the book
Results 1-5 of 53
Page ix
... Angle - The Angle Gamma - The Sense of Sight ( Light- Sense , Color - Sense , Form - Sense ) —The Field of Vision . . . CHAPTER II . ABNORMAL REFRACTION AND ACCOMMODATION . Hypermetropia Correction of H. - Amplitude of Accommodation in ...
... Angle - The Angle Gamma - The Sense of Sight ( Light- Sense , Color - Sense , Form - Sense ) —The Field of Vision . . . CHAPTER II . ABNORMAL REFRACTION AND ACCOMMODATION . Hypermetropia Correction of H. - Amplitude of Accommodation in ...
Page 1
... Angle -The Angle Gamma - The Sense of Sight ( Light - Sense , Color- Sense , Form - Sense ) -The Field of Vision . SOME ELEMENTARY OPTICS . FIG . 1 . Refraction . The light emitted by a luminous point is propa- gated in all directions ...
... Angle -The Angle Gamma - The Sense of Sight ( Light - Sense , Color- Sense , Form - Sense ) -The Field of Vision . SOME ELEMENTARY OPTICS . FIG . 1 . Refraction . The light emitted by a luminous point is propa- gated in all directions ...
Page 2
... angle of minimum deviation , by prism - dioptries , or by metre - angles , but none of these methods seem to be free from objection , or to offer any marked advantage over the current method . * Although sufficient for practical ...
... angle of minimum deviation , by prism - dioptries , or by metre - angles , but none of these methods seem to be free from objection , or to offer any marked advantage over the current method . * Although sufficient for practical ...
Page 13
... angle of convergence of the visual axis is less than before . FIG . 16 . M E THE METRE ANGLE . If the visual line ( E 1 , Fig . 16 ) of an eye E have to be brought to bear on a point ( 1 , Fig . 16 ) 1 metre distant from it in the ...
... angle of convergence of the visual axis is less than before . FIG . 16 . M E THE METRE ANGLE . If the visual line ( E 1 , Fig . 16 ) of an eye E have to be brought to bear on a point ( 1 , Fig . 16 ) 1 metre distant from it in the ...
Page 14
... angle of convergence ( EM ) must be practically twice as large as at 1 metre : C. ( Convergence ) = 2 metre angles . If the object be only of a metre distant , 3 metre angles are required : C. 3 metre angles . If the object be situated ...
... angle of convergence ( EM ) must be practically twice as large as at 1 metre : C. ( Convergence ) = 2 metre angles . If the object be only of a metre distant , 3 metre angles are required : C. 3 metre angles . If the object be situated ...
Contents
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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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