Ophthalmology A Short Textbook - part 1 pptx

... terms and conditions of license. XI 7.4.5 Traumatic Cataract . 18 0 7.4.6 Toxic Cataract . 18 2 7.4.7 Congenital Cataract . 18 2 7.4.7 .1 Hereditary Congenital Cataracts . 18 3 7.4.7.2 Cataract ... scarring is present. Watch glass bandage for paralytic ectropion. Fig. 2.9 In patients with lagoph- thalmos resulting from facial paraly- sis, a watch glass bandage creates a moist chamber...

Ngày tải lên: 10/08/2014, 20:21

... with accompanying blepharoconjunctivi- tis). Corneal ulceration may occur. Moraxella lacunata (Morax- Axenfeld diplobacillus): large Gram-negative diplobacilli Topical: broad-spectrum antibiotic 0.25 ... sexual partner is included in ther- apy. Trachoma Trachoma (Chlamydia trachomatis serotype A C) is rare in temperate coun- tries. In endemic regions (warm climates, poor standard of living,...

Ngày tải lên: 09/08/2014, 20:22

... cornea is 11 .5 mm (10 – 13 mm). A congenitally small cornea ( microcornea, diameter less than 10 .0 mm) or a congenitally large cornea ( megalocornea, diameter from 13 to 15 mm) is always an abnormal ... 13 7 Acanthamoeba keratitis. Fig. 5 .10 a Clini- cal findings in- clude keratitis with a ring- shaped corneal abscess. b Histologic findings after kerato- plasty include typic...

Ngày tải lên: 09/08/2014, 20:22

... license. 17 3 7.4 .1 Acquired Cataract 7.4 .1. 1 Senile Cataract Epidemiology: Senile cataract is by far the most frequent form of cataract, accounting for 90% of all cataracts. About 5% of all 70-year-olds ... therapy for bronchial asthma. 7.4.7 .1 Hereditary Congenital Cataracts Familial forms of congenital cataracts may be autosomal dominant, auto- somal recessive, sporadic, or X-linked...

Ngày tải lên: 09/08/2014, 20:22

... ther- apy causes malaise, nau- sea, depres- sion, anorexia, weight loss, and decreased libido in 40– 50% of glaucoma patients. – Acetazolamide: – Dichlorphenamide: Continued Ǟ 10 Glaucoma Lang, Ophthalmology ... glaucomas are caused by other ocular diseases of factors such as inflam- mation, trauma, bleeding, tumors, medication, and physical or chemical influences (see Table 10 .1) . 10...

Ngày tải lên: 09/08/2014, 20:22

... degeneration in 10 % of all patients provided the dis- order is diagnosed early. Table 12 .6 Stages of age-related macular degeneration (ARM) Stage Characteristics 1. Early ARM: Drusen, atrophy, and ... stroma associated with a cataract characterize vitreoretinal degeneration in Wagner’s disease. 11 .5 The Role of the Vitreous Body in Various Ocular Changes and Following Cataract Surger...

Ngày tải lên: 09/08/2014, 20:22

... Patients may have a history of amauro- sis fugax or polymyalgia rheumatica. Diagnostic considerations: The ophthalmoscopic findings are the same as in arteriosclerotic AION (see Fig. 13 . 1 2a) . Other ... A retinoblastoma that also involves the fellow eye and pineal body is referred to as a trilateral retinoblastoma. A trilateral retinoblastoma is defined as additional manifestati...

Ngày tải lên: 09/08/2014, 20:22

... con- traindicated because it result in aniseikonia of approximately 25%. 16 .4 Impaired Accommodation 16 .4 .1 Accommodation Spasm Definition An accommodation spasm is defined as inadequate protracted ... lenses; Fig. 16 .11 a) . A watch-and-wait approach is indicated with asymptomatic young patients with slight hyper- opia. Spherical plus lenses converge parallel incident light rays a...

Ngày tải lên: 09/08/2014, 20:22

... injuries are listed in Table 18 .1 and Fig. 18 .6. Late sequelae of blunt ocular trauma include: ❖ Secondary glaucoma. ❖ Retinal detachment. ❖ Cataract. Late sequelae of blunt ocular trauma may occur ... license. 4 71 An abnormal accommodative convergence/accommodation ratio will cause fluctuations in ocular deviation in near and distance fixation. 17 .2 .1. 3 Exotropia Exotropia (diverg...

Ngày tải lên: 09/08/2014, 20:22

... 17 9 18 0 dermatogenic cataract 18 0, 18 1 diabetic cataract 17 9 dialysis cataract 17 9 galactosemic cataract 17 9, 18 5 snowflake cataract 17 9 tetany cataract 18 0 medical treatment 18 5 membranous cataract ... 434 classification 17 1– 17 2, 17 3 complicated cataracts 18 0, 18 1 congenital 18 2 18 5, 19 2– 19 5 anterior pyramidal cat- aract 18 3 cerulean cataract 18 3 c...

Ngày tải lên: 09/08/2014, 20:22