ArticleContact lens & anterior eye : the journal of the British Contact Lens Association2024
Potential pro-inflammatory impact of scleral lens midday fogging on human corneal epithelial cells: An in vitro study.
Article in Contact lens & anterior eye : the journal of the British Contact Lens Association, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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Who cites it
2 citing papers in PubMed.
- Scleral Lens Fenestrations and Fluid Reservoir Debris.Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) · 2026Article
- Presence of Eyelid Disease in Habitual Scleral Lens Wearers.Journal of clinical medicine · 2026Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
purposeMidday fogging (MDF) occurs when particulate material accumulates in the fluid reservoir (FR) beneath scleral lenses (SL), and its impact on epithelial cells is unknown. This study examines the in vitro pro-inflammatory effect of the FR on human corneal epithelial cells in varying degrees of MDF.
methodsNormal SL neophytes were recruited to wear SL 8 h daily for 4 days. Following 8 h on days 1 and 4, optical coherence tomography (OCT) images were acquired for MDF quantification using ImageJ, and the FR was collected. FR samples from the same eye were later pooled, diluted 2-fold and applied on human telomerase-immortalized corneal epithelial (hTCEpi) cells cultured on Terasaki microwell plates. Tumor necrosis factor (TNF)-α and culture media were used as positive and negative controls, respectively. After a 30-minute treatment, the nuclear factor-kappa B (NF-κB) pathway was measured by NF-κB-p65 immunofluorescence and images were analyzed with ImageJ. Pearson's correlation was conducted to determine the association between median nuclear fluorescence and MDF.
resultsFourteen FR samples with a mean volume of 22 ± 16 µl were tested. Mean MDF severity following 8 h of SL wear was 25 ± 17 units (range 7 - 64). The median nuclear fluorescence (NF-κB-p65 translocation) in cultured hTCEpi cells ranged from 31.43 to 45.16 while the negative and positive controls were 44.71 ± 1.72 and 108.77 ± 68.38, respectively. Although a potential positive trend between MDF and median nuclear fluorescence was observed, Pearson's correlation analysis revealed no significant association (r = +0.48, P = 0.09).
conclusionsThe results suggest that the FR can trigger NF-κB-p65 translocation in hTCEpi cells, which may be associated with MDF severity. This study introduces the use of Terasaki microwell plates for immunofluorescence studies of the FR. The technique is simple, minimizes sample usage, and does not require expensive instrumentation.
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