نتایج جستجو برای: rop re order point
تعداد نتایج: 1509139 فیلتر نتایج به سال:
OBJECTIVE To describe recognition (letter) acuity at age 10 years in eyes with and without retinal residua of retinopathy of prematurity (ROP). DESIGN Presence and severity of ROP residua were documented by a study ophthalmologist. Masked testers measured monocular recognition visual acuity (Early Treatment of Diabetic Retinopathy Study) when the children were 10 years old. Two hundred forty-...
This study aimed to investigate the refractive state and optical compositions of preterm children with and without mild retinopathy of prematurity (ROP) and explore the influence of prematurity and mild ROP on the development of refractive state and optical compositions.Preterm children who received fundus screening were recruited, and divided into ROP group and non-ROP group. Term children mat...
OBJECTIVE To evaluate early aggressive vs. conservative nutrition and its effect on Retinopathy of Prematurity (ROP) in <32 weeks of gestation neonates. METHODS A prospective, randomized, clinical study was conducted in NICU with a total of 75 preterm infants. In the intervention group, infants received early aggressive nutrition immediately after birth, in the control group infants were star...
The Third International Symposium on Retinopathy of Prematurity (ROP) was convened with the aim of cross fertilizing the horizons of basic and clinical scientists with an interest in the pathogenesis and management of infants with ROP. Ten speakers in the clinical sciences and ten speakers in the basic sciences were recruited on the basis of their research to provide state of the art talks. The...
Identification of type 1 retinopathy of prematurity (ROP) relies heavily on the presence of characteristics of plus disease, especially tortuosity. However, a relatively infrequent subset of eyes with type 1 ROP, eyes with zone 1, stage 3 ROP without plus disease, is included in treatment indications. We examined if posterior pole vessel width is associated with type 1 ROP in a subset of eyes w...
Return-oriented programming (ROP) is an attack that has been shown to be able to circumvent W ⊕X protection. However, it was not clear if ROP can be made as powerful as non-ROP malicious code in other aspects, e.g., be packed to make static analysis difficult, be printable to evade non-ASCII filtering, be polymorphic to evade signaturebased detection, etc. Research in these potential advances i...
This paper summarizes the current state of the art in the topics of rst-order theory revision and theory restructuring. The various tasks involved in rst-order theory reenement (revision vs. restructuring) are deened and then discussed in turn. For theory revision, the issue of minimality is discussed in detail, and a general outline algorithm is given which identiies the major places of diiere...
PURPOSE To test the hypothesis that rod-mediated visual thresholds at 10 degrees eccentricity are elevated in children with histories of mild retinopathy of prematurity (ROP). METHODS Dark-adapted thresholds for detection of 50 msec, 2 degrees diameter spots at a 10 degrees eccentric site, and at a peripheral reference site, 30 degrees eccentric, were measured in 20 children with a history of...
Although retinopathy of prematurity (ROP) is clinically characterized by abnormal retinal vessels at the posterior pole of the eye, it is also commonly characterized by vascular abnormalities in the anterior segment, visual dysfunction which is based in retinal dysfunction, and, most commonly of all, arrested eye growth and high refractive error, particularly (and paradoxically) myopia. The oxy...
A 22× reduction in laser pump threshold and a 23× enhancement in energy conversion have been demonstrated on a second order distributed feedback (DFB) laser using a resonant optical pumping (ROP) technique. The ROP scheme couples the excitation light into a distinct resonant mode of the laser cavity through the illuminating at a specific resonant incident angle. Coupling excitation light into t...
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