silmahaigus, mis on põhjustatud silma võrkkesta veresoonte ebaküpsest arengust
a bilateral retinal disease of premature infants especially when placed in an abnormal oxygen environment
an ocular disorder of premature infants that occurs when the incompletely vascularized retina of such an infant completes an abnormal pattern of vascularization and that is characterized by the presence of an opaque fibrous membrane behind the lens of each eye
Это интересно
Enneaegsel lapsel peatub võrkkesta veresoonte normaalne areng sünni järgselt ja perifeeriasse jääb veresoonteta ala. ... Riskifaktoriteks on sünnikaal alla 1500 g ja sünd enne 32. rasedusnädalat. Soodustavateks teguriteks on kopsude kunstlik ventilatsioon, hingamishäirete sündroom, aneemia ja vereülekanded, ka toitmisraskused ja vähene kaaluiive.
enneaegsete võrkkestahaigestu(mu)s, mille raskekujulisem vorm (vt. fibroplasia retrolentalis) viib pimedaksjäämiseni
The incidence correlates with degree of prematurity; that is, the more premature the infant is, the greater the possibility of this condition occurring. The cause is vasoconstriction of retinal capillaries due to the presence of very high concentrations of oxygen in these blood vessels, which produces an overgrowth of retinal blood vessels. The vascular proliferation and exudation of blood and serum detaches the retina and produces scarring and inevitable blindness. To prevent retinopathy of prematurity it is recommended that oxygen be administered to premature newborns in as low a concentration and for as short a time as feasible.
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