Essentials of Refraction and the Diseases of the Eye

abscess accommodation acute affection appearance application astigmatism atrophic rhinitis atrophy becomes cataract catarrh cause centre choroid chronic laryngitis cicatrix cocaine color concave condition conjunctiva conjunctivitis convex lens cornea deviation dilated dioptre diplopia direction disease disk distance etiology exudate eyeball forceps foreign body Formula frequently fundus galvano-cautery glass glottis hemorrhage hyperæmia hyperopia hypertrophy incision inflammation instrument involved iris iritis irritation lacrymal laryngeal mirror laryngoscope lenses lesion lids light margin Medical mercury middle turbinated mucous membrane muscle mydriatic myopia nasal mucous membrane nerve nitrate normal nose nostril obstruction occur opacity operation ophthalmoscope optic pain palate paralysis patient pharyngitis Philadelphia point of reversal portion powder blower present prism pupil purulent rays reflex refraction removed result retina rhinoscopy sclera secretion seen septum simple chronic skin solution sometimes squint surface swelling symptoms syphilis throat tion tissue tonsils treatment tumor turbinated bone ulcer usually uvula vessels vision vitreous vocal cords