The lethality estimate was, based on epidemiological information, 1 to 2 
per cent. Agent AM was believed to be a somewhat more virulent disease, with a fatality rate of 3 per cent being expected. Other animals
Species infecting domestic livestock are B. abortus (cattle, bison, and elk), B. canis (dogs), B. melitensis (goats and sheep), B. ovis (sheep), and B. suis (caribou and pigs). Brucella species have also been isolated from several marine mammal species (cetaceans and pinnipeds). Cattle
B. abortus is the principal cause of brucellosis in cattle. The bacteria are shed from an infected animal at or around the time of calving or abortion. Once exposed, the likelihood of an animal becoming infected is variable, depending on age, pregnancy status, and other intrinsic factors of the animal, as well as the number of bacteria to which the animal was exposed. The most common clinical signs of cattle infected with B. abortus are high incidences of abortions, arthritic joints, and retained placenta.The two main causes for spontaneous abortion in animals are erythritol, which can promote infections in the fetus and placenta, and the lack of anti-Brucella activity in the amniotic fluid. Males can also harbor the bacteria in their reproductive tracts, namely seminal vesicles, ampullae, testicles, and epididymes. Dogs
The causative agent of brucellosis in dogs, B. canis, is transmitted to other dogs through breeding and contact with aborted fetuses. Brucellosis can occur in humans who come in contact with infected aborted tissue or semen.
Deep anterior chamber: Since lens is absent, anterior chamber will be deep. Iridodonesis: Iridodonesis is the vibration or agitated motion of the iris with eye movement. Purkinje test shows only two images; the reflection from anterior and posterior corneal surfaces. Iridectomy mark may be seen in surgical aphakia. Astigmatism: With-the-rule astigmatism due to corneal wound healing may occur in surgical aphakia, mainly after ICCE or ECCE. Complications
Main complications of surgical aphakia include:

Spectacle intolerance: Due to image magnification (up to 30%), optical aberration, prismatic effect and roving ring scotoma, spectacles are not well tolerated by aphakic patients. Due to high anisometropia, spectacle correction in uniocular aphakia may cause diplopia. Glaucoma: Secondary angle closure glaucoma may occur due to vitreous prolapse. Retinal detachment
Aphakic bullous keratopathy

Treatment
Aphakia can be corrected by wearing glasses, contact lenses, artificial lens implantation, or refractive corneal surgeries. Eye with artificial lenses are described as "pseudophakic". Etymology
Gr. a- alfa priv + phakos, lens, anything shaped like a lens

References


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