Showing posts with label
optometry journal impact factor.
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Showing posts with label
optometry journal impact factor.
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The occurrence, severity and clinical presentation of endophthalmitis depend on the way of infection, the number and virulence of pathogenic bacteria, as well as the patient's immunity state. The type of endophthalmitis can suggest the possible causative agent. Furthermore, it can help determine therapeutic approach or antibiotics to choose. The more virulent are the causative agents, the early the symptoms and signs of endophthalmitis appear. Such types of endophthalmitis have a bad course and poor prognosis concerning visual function. In these cases the red fundus reflex is lost quite at the beginning of the disease. Patients treated with prompt vitrectomy and intravitreal injections of antibiotics have statistically better visual outcomes and less likelihood of severe visual loss.
Refractive error is a condition in which the eye in its relaxed state is unable to sharply see images due to failure of the optical system to bring parallel rays of light reflected off objects) of regard to a sharp focus on the retina. As a result, there is relatively poor vision as images of objects are seen to be blurred. There are different types of refractive errors and they include hyperopia, myopia, and astigmatism, with overlapping forms. Myopia and hyperopia are said to occur when the optical system of the eye brings parallel rays of light into focus in front and at the back of the fovea, respectively. Astigmatism on the other hand occurs when rays of light from different planes do not come to the same point on the fovea.
Endophthalmitis is a severe
inflammation of the inner eye's structures, caused by an exogenous or
endogenous infection with microorganisms which can multiply rapidly. It occurs most frequently after intraocular surgery. Moreover, it can also be a
consequence of a penetrant eye injury or a hematogenous dissemination of
microorganisms. The most common pathogens of this inflammation are bacteria,
next to fungi and less frequently parasites.
The occurrence, severity and
clinical presentation of endophthalmitis depend on the way of infection, the
number and virulence of pathogenic bacteria, as well as the patient's immunity
state. The type of endophthalmitis can suggest the possible causative agent.
Furthermore, it can help determine therapeutic approach or antibiotics to
choose. The more virulent are the causative agents, the early the symptoms and
signs of endophthalmitis appear.
