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Evaluation of the PlenOptika QuickSee Free Portable Autorefractor in Schools in The Gambia.
J Pediatr Ophthalmol Strabismus
December 2024
Article Synopsis
- - The study assessed the effectiveness of a portable autorefractor, QuickSee Free (QSF), in detecting refractive errors in school-aged children in The Gambia, comparing it to a standard eye examination method (cycloplegic retinoscopy).
- - Involving 101 children, the results showed that the QSF had moderate correlation with physician measurements for spherical equivalent, sphere, and cylinder values but typically underestimated these measures.
- - Sensitivity and specificity rates indicated that QSF was fairly accurate at detecting myopia, anisometropia, and astigmatism, demonstrating good predictive ability according to the American Association for Pediatric Ophthalmology and Strabismus (AAPOS) guidelines.
Long-range frequency-domain optical delay line based on a spinning tilted mirror for low-cost ocular biometry.
Biomed Opt Express
December 2023
Instituto de Óptica 'Daza de Valdés', Consejo Superior de Investigaciones Científicas (IO, CSIC), Madrid, Spain.
Optical biometers are routinely used to measure intraocular distances in ophthalmic applications such as cataract surgery planning or myopia monitoring. However, due to their high cost and reduced transportability, access to them for screening and surgical planning is still limited in low-resource and remote settings. To increase patients' access to optical biometry we propose a novel low-cost frequency-domain optical delay line (FD-ODL) based on an inexpensive stepper motor spinning a tilted mirror, for integration into a time-domain (TD)-biometer, amenable to a compact footprint.
View Article and Find Full Text PDFHomozygous Mutations in Thyroid Peroxidase (TPO) in Hypothyroidism with Intellectual Disability, Developmental Delay, and Hearing and Ocular Anomalies in Two Families: Severe Manifestation of Untreated TPO-deficiency Poses a Diagnostic Dilemma.
Yale J Biol Med
September 2023
Human Genetics Program, Department of Zoology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan.
Intellectual disability (ID) involves compromised intellectual, learning and cognitive skills, and behavioral capabilities with reduced psychomotor skills. One of the preventable causes of ID is congenital hypothyroidism (CH), which may be due to biallelic mutations in (). In low- and middle-income countries with no newborn screening programs, CH poses a great risk of ID and long-term morbidity.
View Article and Find Full Text PDFRefractive error, eye care needs and attitude towards spectacle wearing among older Zanzibari craftswomen and implications for developing women-targeted services: a cross-sectional study.
BMJ Open Ophthalmol
May 2023
Programmes, Vision Care Foundation, Dar-es-Salaam, Tanzania.
Background: Aged Zanzibari women are in a disadvantaged position, having high demand for near-vision spectacles. Currently, there is no information on the eye health status of craftswomen, which makes planning a women-targeted project to deliver eye health services to older craftswomen in Zanzibar difficult. We assessed the prevalence of vision impairment, refractive error, presbyopia, effective spectacle coverage (distance and near) and attitude towards spectacle wearing among older Zanzibari craftswomen.
View Article and Find Full Text PDFIdentification and critical appraisal of evidence for interventions for refractive error to support the development of the WHO package of eye care interventions: a systematic review of clinical practice guidelines.
Ophthalmic Physiol Opt
May 2022
Department of Noncommunicable Diseases, World Health Organization, Geneva, Switzerland.
Purpose: The World Health Organization is developing a Package of Eye Care Interventions (PECI) to support the integration of eye health care into national health programmes. Interventions included in the PECI should be based on robust evidence where available. Refractive error is a leading cause of blindness and vision impairment and is a PECI priority condition.
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