2016
DOI: 10.1016/j.ophtha.2016.05.027
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Visual Acuity Loss and Associated Risk Factors in the Retrospective Progression of Stargardt Disease Study (ProgStar Report No. 2)

Abstract: Given the overall slow rate of VA loss, VA is unlikely to be a sensitive outcome measure for treatment trials of Stargardt disease. However, given the faster decline in younger patients and those with no or mild visual impairment, VA may be a potential outcome measure for trials targeting such subgroups of patients. These observations will need to be assessed in a prospective study bearing in mind the inherent limitations of retrospective datasets.

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Cited by 63 publications
(63 citation statements)
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“…The success of clinical trials evaluating efficacy is largely dependent on sensitive and reproducible outcome measures. Visual acuity is unlikely to be an appropriate outcome measure for STGD1 treatment trials with 1-year duration given its slow and also inconsistent progression [19,20]. ProgStar was therefore designed to evaluate different imaging modalities (FAF, SD-OCT) and psychophysical tests (mesopic MP) that may serve as surrogate endpoints.…”
Section: Discussionmentioning
confidence: 99%
“…The success of clinical trials evaluating efficacy is largely dependent on sensitive and reproducible outcome measures. Visual acuity is unlikely to be an appropriate outcome measure for STGD1 treatment trials with 1-year duration given its slow and also inconsistent progression [19,20]. ProgStar was therefore designed to evaluate different imaging modalities (FAF, SD-OCT) and psychophysical tests (mesopic MP) that may serve as surrogate endpoints.…”
Section: Discussionmentioning
confidence: 99%
“…Visual acuity was then divided into categories of visual impairment as proposed by the World Health Organization [22,23] 3) (i.e., blindness) [22].…”
Section: Discussionmentioning
confidence: 99%
“…Although there are political proposals to detect visual problems, most are focal and expensive, without continuity, and do not ensure access to specialized consultations and corrective actions (9) . However, simple and cheap actions such as the ophthalmologic exam made by qualified personnel, in spite of not being specialists, allows the diagnosis and treatment of ocular conditions with early referrals for ophthalmologists (10) . Studies conducted in different nations reveal that deficient knowledge in eye health care can contribute to the onset of blindness (11) .…”
Section: Discussionmentioning
confidence: 99%
“…Therefore, the proposal of eye self-examination is essential for enabling people to learn throughout life, and seek the development of personal skills. It is a task to be accomplished at schools, homes, workplaces and other community spaces (10) . In this regard, the effective ocular health promotion involves a combination of a few components, namely, guided education for adoption of prevention measures, health service improvements, and a greater accessibility and expansion of public prevention policies on ocular disorders (15) .…”
Section: Discussionmentioning
confidence: 99%