ArticleOphthalmology science2026
A Structural Shift in the Readability of Ophthalmology Abstracts in Late 2023.
Article in Ophthalmology science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objective: To assess long-term trends in the readability of ophthalmology abstracts and to determine whether a structural change occurred during the study period. Design: Bibliometric longitudinal analysis. Subjects: A total of 198, 201 unique English-language abstracts published between January 2000 and September 2025 in 67 PubMed-indexed ophthalmology journals. Methods: Abstract readability was quantified using the Flesch Reading Ease score. Temporal trends were analyzed using segmented regression with data-driven breakpoint selection. Secondary analyses included additional validated readability indices and linguistic features (including lexical density, lexical diversity, and clause density). Differences before and after the breakpoint were assessed using nonparametric tests. Main Outcome Measures: Changes in abstract readability over time, primarily measured by the Flesch Reading Ease score. Results: Readability improved gradually from 2000 until 2023, followed by a marked decline thereafter. Segmented regression identified a structural breakpoint in October 2023, after which readability declined sharply, with mean Flesch Reading Ease scores decreasing by -0.222 (95% confidence interval, -0.257 to -0.204) points per month compared with a prebreakpoint increase of +0.008 (95% confidence interval, 0.007‑0.010) points per month ( Conclusions: In this large longitudinal study of ophthalmology abstracts, readability improved for more than 2 decades before reversing sharply in late 2023. The decline was associated with increased lexical complexity and with indicators of greater syntactic complexity and was observed across journals and author subgroups. Although the causes of this shift cannot be determined from the present data, the findings indicate a meaningful change in the linguistic characteristics of ophthalmology abstracts and underscore the importance of maintaining readability in scientific communication. Financial Disclosures: Proprietary or commercial disclosure may be found in the Footnotes and Disclosures at the end of this article.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.