Ophthalmology A Short Textbook - part 9 pps

Ngày tải lên: 10/07/2014, 05:20

... throughout Asia. It reached Bangladesh in 196 3, India in 196 4, and Russia, Iran, and Iraq in 196 5. Cholera struck West Africa in 197 0. During the 197 0s and 198 0s, major outbreaks occurred in the Far East ... to confront and cross-examine prosecuting witnesses at trial. As the foregoing examples indicate, although the combination, integration, and coordination of func...

Ngày tải lên: 09/08/2014, 11:20

... facilitate tear drainage. Anatomy of the lacrimal system. Orbital part of the lacrimal gland Plica semilunaris Superior punctum lacrimale Lacrimal sac Nasolacrimal duct Superior lacrimal canaliculus Inferior ... cell carcinoma. Fig. 2. 27 A halo resembling a string of beads, superficial vascu- larization, and a central crater with a tendency to bleed are characteristic signs of thi...

Ngày tải lên: 09/08/2014, 20:22

... 137 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 typical double-walled amebic ... 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 alwa...

Ngày tải lên: 09/08/2014, 20:22

... 173 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 and ... 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. They...

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 10 Glaucoma Lang, Ophthalmology ... of glaucoma Incidence Open angle glaucoma Primary Over 90% of all glaucomas Secondary 2– 4% of all glaucomas Angle closure glaucoma Primary (pupillary block glaucoma) About 5% of all...

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 ... cases). Coats’ disease usually occurs in young and teenage boys. It is nearly always unilateral. Pathogenesis: Telangiectasia and aneurysms lead to exudation and eventu- ally to retinal detach...

Ngày tải lên: 09/08/2014, 20:22

... 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 manifestation of the tumor in the pineal ... cause or location of a process. In approximately 60% of all cases, the increased intracranial pressure with papilledema is caused by an intracranial tumor; 40% of all cases ar...

Ngày tải lên: 09/08/2014, 20:22

... microphthalmos associated with cataract, nystagmus, and stra- bismus. 15.3.2.4 Rubinstein–Taybi Syndrome This craniomandibulofacial dysplasia is primarily characterized by antimon- goloid palpebral ... 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 protra...

Ngày tải lên: 09/08/2014, 20:22

... surgery). Berlin’s edema Retinal and macular edema at the posterior pole of the globe (contre- coup location) possibly asso- ciated with bleeding. Loss of visual acuity. Watch-and-wait approach is advised until ... 493 Table 17.4 Differential diagnosis between concomitant strabismus and paralytic stra- bismus Differential criterion Concomitant strabismus Paralytic strabismus Onset At an earl...

Ngày tải lên: 09/08/2014, 20:22

... 192– 195 anterior pyramidal cat- aract 183 cerulean cataract 183 coronary cataract 183 from transplacental infection 185 lamellar/zonular cata- ract 183, 184 nuclear cataract 183, 184 polar cataract 183 definition ... 224 glaucoma treatment 256 carbamazepine 557 carbonic anhydrase inhibi- tors 552 glaucoma treatment 255, 260, 268 carcinoma basal cell 45–47 conjunctival 107 lacrimal gland 66...

Ngày tải lên: 09/08/2014, 20:22

... 19. Nemaline myopathy. A Distal leg atrophy in a patient with nemaline myopathy. B At- rophy of the proximal arm mus- cles, neck muscles, and weak- ness of the facial muscles. C Bi- lateral hand ... by certain distinc- tive clinical features: cardiac arrhythmia often requiring a pacemaker, limb and spine contractures, lack of facial weakness, and X-linked or autosomal dominant inheritan...

Ngày tải lên: 10/08/2014, 18:20

... with insulin and having vascular complications. For individuals with type 2 diabetes, insulin-treated versus non-insulin-treated hospitalization rates are Staged Diabetes Management: A Systematic Approach ... Medical Management of Insulin- Dependent (Type I) Diabetes. 2nd ed. Alexandria, VA: American Diabetes Association, 199 4. 9. Vinik A, Maser R, Mitchell B, Freeman R. D...

Ngày tải lên: 10/08/2014, 18:21

... 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 chambe...

Ngày tải lên: 10/08/2014, 20:21

... the access is almost always threatened. Such expansion is usually caused by graft laceration and should be immedi- ately repaired. Old and stable hematomas can, as an alternative, be treated ... venotomy. Blind application of vascular clamps in a bleeding traumatic wound as dangerous. A nonsecure distal intimal edge is always a risk for dissection and creation of an inti- mal fl...

Ngày tải lên: 11/08/2014, 01:22