Clin Optom (Auckl)
July 2025
Purpose: Factors including age, refractive error, and luminance can affect pupil size and may influence the performance of multifocal contact lenses (MFCLs). This post-hoc analysis aimed to investigate correlations between pupil size and vision performance of a 3-Zone Progressive™ design, daily disposable silicone hydrogel (kalifilcon A) MFCL.
Methods: Habitual MFCL wearers aged ≥40 years were enrolled in a 3-week, single-arm, bilateral, open-label study to assess near, intermediate, and distant vision performance.
Background: Perfluorohexyloctane (PFHO) acts to prevent the evaporation of the tear film. It has the potential to limit friction related issues between the eye lid margin and the ocular surface. Prior to the present work, this had not yet been evaluated.
View Article and Find Full Text PDFClin Optom (Auckl)
January 2025
Purpose: To determine the performance of TOTAL30 for Astigmatism (T30fA; Alcon; Fort Worth, TX, USA) contact lenses (CLs) in existing CL wearers who are also frequent digital device users.
Methods: This 1-month, 3-visit study recruited adult, 18- to 40-year-old subjects who were required to use daily digital devices for at least 8 hours per day. All subjects were refit into T30fA CLs.
Clin Optom (Auckl)
December 2024
Purpose: The purpose of this work was to determine the comfort performance of a toric, monthly, silicon hydrogel CL (lehfilcon A; TOTAL30 for Astigmatism) over a long day of wear.
Methods: This was a 1-month, 3-visit, prospective, single-arm study. Adult, 18- to 45-year-old CL wearers with good vision who were minimally symptomatic (CLDEQ-8 scores ≤12) were enrolled.
Cont Lens Anterior Eye
April 2025
Purpose: To evaluate the effectiveness and the safety of LipiFlow for treating signs and symptoms of dry eye disease (DED) in adults.
Methods: The following databases were searched for randomized trials: CENTRAL, MEDLINE Ovid, Embase.com, PubMed, LILACS, ClinicalTrials.
Purpose: Digital eye strain (DES) is a growing worldwide concern because digital devices are prevalent in both our work and home lives. The purpose of this review was to summarize clinically relevant and evolving key topics related to DES.
Methods: A PubMed.
Optom Vis Sci
August 2024
Significance: This is one of the first reports to summarize the enrollment metrics for ophthalmology trials completed in the United States (US).
Purpose: This study aimed to describe US ophthalmology clinical trial enrollment metrics to facilitate planning and budgeting of US Food and Drug Administration-regulated ophthalmological drugs trials.
Methods: A GlobalData PLC search was conducted on or before February 27, 2024, to evaluate the clinical trial landscape for completed ophthalmology clinical trials conducted in the US.
Cochrane Database Syst Rev
September 2024
Background: Contact lens discomfort is a symptom-based clinical diagnosis that affects 13% to 75% of contact lens wearers. The Tear Film and Ocular Surface Society defines contact lens discomfort as "a condition characterized by episodic or persistent adverse ocular sensations related to lens wear either with or without visual disturbance, resulting from reduced compatibility between the lens and ocular environment, which can lead to decreased wearing time and discontinuation from lens wear." Signs of the condition include conjunctival hyperemia, corneal and conjunctival staining, altered blinking patterns, lid wiper epitheliopathy, and meibomian gland dysfunction.
View Article and Find Full Text PDFSignificance: This work is significant because it is the first Cochrane systemic review that compares the comfort and safety of hydrogel and silicone hydrogel soft contact lenses (SCL).
Purpose: This study aimed to conduct a systemic review of randomized trials comparing the comfort and safety of silicone hydrogel and hydrogel SCLs.
Methods: CENTRAL, MEDLINE Ovid, EMBASE.
Purpose: To investigate if there is a visible difference in meibomian gland (MG) length between images captured with the Visante optical coherence tomography (OCT; wavelength = 1,310 nm) and the OCULUS Keratograph 5M (K5M; wavelength = 880 nm).
Methods: Adults between 18 and 40 years were recruited. Baseline dry eye disease was evaluated with the Standard Patient Evaluation of Eye Dryness (SPEED) and tear meniscus height and tear breakup time with the K5M.
Ophthalmic Physiol Opt
June 2024
Purpose: To determine the number of previous contact lens (CL) wearers who could be comfortably refitted into delefilcon A (DAILIES TOTAL1®) CLs.
Methods: This was a 6-month, three-visit study that recruited subjects who discontinued CLs within the past 2 years because of discomfort or dryness symptoms. Subjects were required to have Standard Patient Evaluation of Eye Dryness (SPEED) questionnaire scores ≤3 and to be able to wear spherical study CLs.
Background: Meibomian gland dysfunction (MGD) is the most common underlying cause of dry eye disease (DED). MGD leads to pathological alteration of the composition or quantity of meibum, or both, which subsequently results in tear evaporation and the typical signs and symptoms associated with DED. The LipiFlow Thermal Pulsation System (LipiFlow) is a medical device used to treat MGD in office; however, it is unclear if LipiFlow can outperform other DED treatments.
View Article and Find Full Text PDFCochrane Database Syst Rev
September 2023
Background: Ocular discomfort is the leading cause of permanent discontinuation of soft contact lens (SCL) wear. Silicone hydrogel and hydrogel materials are the two major categories of SCLs, with silicone hydrogel materials being newer and more breathable than hydrogel materials. Whether comfort is associated with SCL material is controversial despite numerous studies.
View Article and Find Full Text PDFClin Optom (Auckl)
May 2023
Purpose: To map contact lens (CL) comfort over the full wear day and across 1 month's wear in established, asymptomatic to minimally symptomatic, reusable, soft CL wearers.
Methods: Adult, 18- to 45-year-old, participants were recruited and required to have 20/20 best-corrected visual acuity or better and must have been asymptomatic to minimally symptomatic CL wearers. Participants were required to be able to wear TOTAL30® sphere CLs and have minimal astigmatism.
Clin Optom (Auckl)
March 2023
Purpose: To understand the impact of Systane Hydration PF on dryness symptoms and quality of life in digital device users and to determine if participants prefer either the unit-dose or multi-dose dispensing system of Systane Hydration PF.
Materials And Methods: This 2-week, three visit study recruited regular digital device users. Participants were required to score ≤80 on the Impact of Dry Eye on Everyday Life (IDEEL) Quality of Life (QoL) Work domain and between 13 and 32 on the Ocular Surface Disease Index (OSDI) questionnaire.
Clin Ophthalmol
March 2023
Purpose: Validation of the novel Lexitas modified NEI scale for use in assessment of corneal fluorescein staining.
Patients And Methods: A series of 18 illustrations and 14 clinical photographs depicting varying severity levels of corneal fluorescein staining were assessed by 3 independent examiners. Regions of the cornea were graded for staining severity based on 3 different grading scales: the original NEI staining scale (density-based scoring; 0-3 scale), a structured version of the NEI scale (dot-count scoring; 0-3 scale), and the Lexitas modified NEI staining scale (0-4 scale with half-point increments).
Practitioners commonly prescribe the 20/20/20 rule with hopes that, if patients follow it, they will reduce their myopic progression. This clinical perspective provides evidence that 20-second break from nearwork every 20 minutes are not enough time to impact ocular growth.The ongoing myopia epidemic is a major public health crisis.
View Article and Find Full Text PDFCont Lens Anterior Eye
April 2023
Purpose: To compare the ocular comfort at application of topical, over-the-counter, 0.7% olopatadine and 0.035% ketotifen fumarate anti-allergy eye drops.
View Article and Find Full Text PDFPurpose: miRNAs can regulate inflammatory pathways. The purpose of this work was to determine if inflammatory-related tear film miRNAs are associated with extracellular vesicles (EVs) in human non-Sjögren's Syndrome dry eye disease (DED) participants.
Methods: Five DED and 5 non-DED human participants were recruited.
Clinical Relevance: This study found 0.7% olopatadine (Pataday Once Daily Relief Extra Strength) eye drops to provide better initial comfort than 0.3% pheniramine maleate/0.
View Article and Find Full Text PDFBMC Med Inform Decis Mak
June 2022
Background: Lack of attention to end-users' requirements and preferences may lead to the failure of health information technology (IT) interventions. Identifying users' needs for designing a mobile application can lead to the development of an acceptable intervention. This study aimed to determine the requirements for designing a mobile application to educate and provide needed information to contact lens (CL) wearers.
View Article and Find Full Text PDFCont Lens Anterior Eye
October 2022
Purpose: To provide a balanced literature review of the studies that have evaluated the effect of contact lenses on meibomian gland (MG) health.
Methods: A PubMed.gov literature search was conducted on or before May 15, 2021.