Publications by authors named "Erna G Knoll"

Aims: To assess the impact of different oxygenation policies on the rate and severity of retinopathy of prematurity (ROP).

Methods: Between January 2003 and December 2006, infants of 1500 g birthweight (BW) or less and/or 32 weeks gestational age (GA) or less, and larger, more mature infants with risk factors for ROP were examined through three different time periods: period 1: high target oxygen saturation levels (88-96%) and treatment at threshold ROP; period 2: low target oxygen saturation levels (83-93%) and treatment at threshold ROP; period 3: low target oxygen saturation and treatment at type 1 ROP.

Results: Type 1 ROP was detected more frequently in babies of 32 weeks GA or less (50/365, 13.

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Purpose: To present external eye findings and the observation of iris atrophy in patients with climatic droplet keratopathy (CDK).

Methods: Twenty-three patients with CDK and 13 controls living in a semideserted plain of the Argentine Patagonia were studied. Besides a comprehensive eye examination, Cochet-Bonnet aesthesiometry, Schirmer II test, breakup time (BUT), and surface staining were performed.

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Purpose: To present the findings of climatic droplet keratopathy (CDK) that affects people of a rural area of the Argentine Patagonia.

Design: Observational case series.

Methods: Five hundred seventy-seven individuals who live in settlements and villages in an inland area of the northwest Patagonia region in Argentina received a complete eye examination.

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