ArticleCureus2026
Color Stability of Ocular Prostheses Subjected to Short-Term Tropical Weathering: A Digital Photography Analysis.
Article in Cureus, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background and objective Discoloration of ocular prostheses occurs unpredictably and can reduce their functional service life. Ensuring color stability is essential for maintaining long-term aesthetics and clinical performance. This study evaluated the color stability of acrylic ocular prostheses following short-term outdoor weathering using digital image analysis. A secondary aim was to quantify color changes within the weather-exposed group using digital photography with white balance calibration. Materials and methods Thirty custom acrylic ocular prostheses were fabricated and allocated to two groups: an outdoor-exposed (case) group and a group stored in darkness (control). The case group underwent outdoor weathering for three hours daily over one month. White balance color calibration was performed using a Macbeth color chart. L*, a*, and b* values were obtained from calibrated digital images in Adobe Photoshop (Adobe Inc., San Jose, CA, USA), and color changes (ΔE) were calculated. Independent-samples t-tests assessed differences between groups, while one-way ANOVA with Tukey post hoc analysis evaluated variation within the exposed group. Results After one month, ΔE values showed no significant difference between the case and control groups (p > 0.05). However, one-way ANOVA revealed significant color variation among the weather-exposed prostheses (p < 0.05). Conclusions Short-term exposure to tropical outdoor conditions was not associated with statistically significant differences in color stability compared with dark-room storage. The observed intragroup variability suggests that factors beyond environmental weathering contribute to color change. Appropriate fabrication techniques appear sufficient to maintain short-term color stability under tropical conditions.
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