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Choroidal Control Technology: New Horizons in Maculopathy and Presbyopia.
Graefes Arch Clin Exp Ophthalmol
September 2024
Drs. Iribarren Eye Consultants, Buenos Aires, Argentina.
Objective: To evaluate changes in choroidal thickness in presbyopes, when reading with regular glasses versus choroidal control glasses, in patients with or without Age-Related Macular Degeneration (AMD).
Methods: This was a pilot study on short-term axial length (AL) in 33 eyes of 24 presbyopic patients aged 60 to 80 years, assigned to two age-matched groups, with or without AMD. About them, changes in choroidal thickness were evaluated with ocular biometry through indirect measurements of axial length at baseline, after 20' of reading with conventional lenses, and after another 20' of reading with peripheral hyperopic defocus glasses.
Background: Uncorrected refractive error (URE) is a readily treatable cause of visual impairment (VI). This study provides updated estimates of global and regional vision loss due to URE, presenting temporal change for VISION 2020 METHODS: Data from population-based eye disease surveys from 1980-2018 were collected. Hierarchical models estimated prevalence (95% uncertainty intervals [UI]) of blindness (presenting visual acuity (VA) < 3/60) and moderate-to-severe vision impairment (MSVI; 3/60 ≤ presenting VA < 6/18) caused by URE, stratified by age, sex, region, and year.
View Article and Find Full Text PDFWavefront Changes during a Sustained Reading Task in Presbyopic Eyes.
Sensors (Basel)
June 2024
Clinical and Experimental Optometry Research Laboratory (CEORLab), Department and Center of Physics-Optometry and Vision Science, School of Science, 4710-057 Braga, Portugal.
The objective of this study was to assess the effect of sustained reading on the temporal changes in the wavefront error in the presbyopic eye. The wavefront aberration of the eyes was measured using an IRX3 Shack-Hartmann aberrometer before and after (immediately, 5 min, and 10 min after) a reading task. Temporal changes in C20, C40, and C3-1 coefficient values of the eyes were plotted, showing a predominant number of V-shaped patterns (for C40 and C3-1) and inverse V-shaped patterns (for C20) among the study group, and the percentages (between 27 and 73%) were reported.
View Article and Find Full Text PDFUnderstanding Perspectives on Presbyopia and Use of Pilocarpine HCl 1.25% Twice Daily from Participants of the Phase 3 VIRGO Study.
Ophthalmol Ther
June 2024
Allergan, an AbbVie company, Irvine, CA, USA.
Introduction: The phase 3, randomized, vehicle-controlled, 14-day VIRGO study evaluated the efficacy and safety of twice-daily dosing of pilocarpine hydrochloride ophthalmic solution 1.25% (Pilo) in presbyopia. On VIRGO exit, a companion study was conducted to assess the patient experience with presbyopia and satisfaction with Pilo.
View Article and Find Full Text PDFContent development for a new item-bank for measuring multifocal contact lens performance.
J Patient Rep Outcomes
February 2024
Department of Optometry and Vision, Faculty of Optics and Optometry, Universidad Complutense de Madrid, Arcos de Jalón, 118, 28037, Madrid, Spain.
Background: Presbyopia is an age-related condition that causes a decreased ability to focus on nearby objects. Multifocal contact lenses are commonly used to address this issue. However, there seems to be a notable dissatisfaction among multifocal contact lens wearers.
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