ArticleInternational ophthalmology2020
Ciliary muscle dimensions measured by swept-source optical coherence tomography in eyes with primary open-angle glaucoma and healthy eyes.
Article in International ophthalmology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 7 citations in OpenAlex.
- Spectral-domain OCT evaluation of anterior sclera and aqueous outflow structures in POAG, ocular hypertension, and healthy eyes.Eye (London, England) · 2026Article
- Dynamic changes of scleral spur length in different accommodation stimuli states.Scientific reports · 2021Article
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7 authors at 4 institutions in 1 country.
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Abstract
purposeTo compare in vivo swept-source optical coherence tomography (SS-OCT) measurements of the ciliary muscle (CM) in patients with primary open-angle glaucoma (POAG) and healthy subjects, and examine correlations between CM dimensions and several covariates.
methodsThis was a cross-sectional study of the right eyes of 181 subjects: 89 POAG patients and 92 healthy subjects. Using the Triton SS-OCT device (Topcon, Tokyo, Japan), CM length (CML), area (CMA) and thickness measured 1000 µm (CMT1), 2000 µm (CMT2) and 3000 µm (CMT3) from the scleral spur were determined in the temporal and nasal quadrants. POAG patients were subjected to visual field (VF) and peripapillary retinal nerve fiber layer (RNFL) assessment. CM dimensions were then assessed for correlation with VF mean defect (MD), mean RNFL thickness and intraocular pressure (IOP).
resultsMean CMLs were 4325 ± 340 µm and 4195 ± 843 µm for the healthy subjects and POAG patients, respectively (p = 0.17). Mean CM thicknesses were CMT1 = 546 ± 56 µm, CMT2 = 326 ± 44 µm and CMT3 = 174 ± 16 µm in the healthy eyes versus CMT1 = 534 ± 108, CMT2 = 332 ± 99 and CMT3 = 183 ± 74 in the POAG eyes, with no significant differences detected (all p ≥ 0.25). In the temporal quadrant, mean CMA was 1.12 ± 0.29 mm
conclusionsWhile SS-OCT proved useful to measure CM dimensions in vivo, these dimensions did not differ between healthy individuals and POAG subjects. In the patients with POAG, no correlations were detected between CM dimensions and VF, RNFL or IOP.
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