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Repeatability of lipid layer thickness using LipiView® following removal of contact lenses and its relationship to comfort.
Ophthalmic Physiol Opt
January 2025
School of Optometry and Vision Science, University of New South Wales, Sydney, New South Wales, Australia.
Purpose: To assess the repeatability of lipid layer thickness (LLT) measurement using the LipiView® interferometer after daily disposable contact lens (CL) wear and correlation with ocular comfort in soft contact lens wearers.
Methods: A prospective study was conducted over two consecutive months, wherein CL wearers (n = 20) wore either Somofilcon A or Verofilcon A daily disposable CLs in a crossover design, switching lenses after 1 month. The pre-corneal tear film LLT was measured at the end of each month after CLs had been worn for at least 6 h.
Quantifying tear exchange during rigid contact lens wear using corneoscleral profilometry: A proof of concept study.
Ophthalmic Physiol Opt
January 2025
Contact Lens and Visual Optics Laboratory, Optometry and Vision Science, Centre for Vision and Eye Research, Queensland University of Technology, Brisbane, Queensland, Australia.
Introduction: Tear exchange during contact lens wear is essential for ocular surface integrity, facilitating debris removal, and maintaining corneal metabolism. Fluorophotometry and fluorogram methods are typically used to measure tear exchange, which require hardware modifications to a slit lamp biomicroscope. This manuscript introduces an alternative method using a corneoscleral profilometer, the Eye Surface Profiler (ESP), to quantify tear exchange during corneal and scleral rigid lens wear by assessing fluorescence intensity changes over time.
View Article and Find Full Text PDFENHANCED RESTORATION OF VISUAL CODE AFTER TARGETING ON BIPOLAR CELLS COMPARED TO RETINAL GANGLION CELLS WITH OPTOGENETIC THERAPY.
Mol Ther
January 2025
Faculty of Biology, Medicine & Health, University of Manchester, Manchester, M13 9PT, UK. Electronic address:
Optogenetic therapy is a promising vision restoration method where light sensitive opsins are introduced to the surviving inner retina following photoreceptor degeneration. The cell type targeted for opsin expression will likely influence the quality of restored vision. However, a like-for-like pre-clinical comparison of visual responses evoked following equivalent opsin expression in the two major targets, ON bipolar (ON BCs) or retinal ganglion cells (RGCs), is absent.
View Article and Find Full Text PDFAssessment of Quality of Life in Mothers of Visually Impaired Children.
J Coll Physicians Surg Pak
January 2025
Al-Shifa School of Public Health, Al-Shifa Trust Eye Hospital, Rawalpindi, Pakistan.
Objective: To assess the factors that affect mothers' quality of life (QOL) and the association of various demographic variables with QOL of the respondents.
Study Design: A cross-sectional survey. Place and Duration of the Study: Al-Shifa Trust Eye Hospital, Rawalpindi, Pakistan, from April to September 2023.
Onchocerciasis is not a major cause of blindness in two endemic villages in Sierra Leone.
BMC Res Notes
January 2025
Helen Keller International, New York, USA.
Objective: Sierra Leone, a country where onchocerciasis is endemic in 14 of the 16 districts, was the focus of our investigation. Despite 17 rounds of annual ivermectin treatment since 2005, a report circulated by a local politician indicated an increase in cases of suspected onchocerciasis-related vision impairment in two villages (Mangobo and Petifu) in Tonkolili district. In response, the National Neglected Tropical Disease Program conducted a comprehensive investigation.
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