Abstract:
PURPOSE:To explore associations of lamina cribrosa thickness with axial length and thickness of the posterior sclera in monkeys. METHODS:Examining histological sections by light microscopy, we measured the thickness of the lamina cribrosa and posterior sclera and axial length. RESULTS:The study included 28 animals (28 eyes) with a mean age of 13.3 ± 4.9 years (range: 3-24 years) and mean axial length of 18.9 ± 1.4 mm (range: 17-21 mm) (22 eyes after experimental temporary central retinal artery occlusion; four eyes after a permanent occlusion of the posterior ciliary artery; and two eyes without any intervention). Mean thickness of the lamina cribrosa was 167 ± 30 μm (range: 115-273 μm). Thinner lamina cribrosa thickness was significantly associated with longer axial length (standardized correlation coefficient beta: -0.42; p = 0.026), with thinner sclera at the posterior pole (beta: 0.56; p = 0.002) and with thinner sclera at the disc border (beta: 0.55; p = 0.002). Lamina cribrosa thickness was not significantly related to temporary central retinal artery occlusion (p = 0.14) or to permanent posterior ciliary artery occlusion (p = 0.49) or age (p = 0.46). CONCLUSIONS:As in humans, lamina cribrosa thickness in non-glaucomatous monkeys got thinner with longer axial length and with thinner posterior sclera. These data may be of interest for studies on the process of emmetropization/myopization in monkeys, and they may be of interest for the studies on the biomechanics of the optic nerve head.
journal_name
Acta Ophthalmoljournal_title
Acta ophthalmologicaauthors
Jonas JB,Kutscher JN,Panda-Jonas S,Hayreh SSdoi
10.1111/aos.13070subject
Has Abstractpub_date
2016-12-01 00:00:00pages
e693-e696issue
8eissn
1755-375Xissn
1755-3768journal_volume
94pub_type
杂志文章abstract:PURPOSE:To evaluate the impact of dynamic exercise on retinal vessel oxygen saturation in healthy individuals. METHODS:Twenty-six healthy participants underwent moderate dynamic exercise (modified Master's two-step exercise). In all subjects, intraocular pressures (IOP), systolic and diastolic blood pressures (SBP and...
journal_title:Acta ophthalmologica
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journal_title:Acta ophthalmologica
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journal_title:Acta ophthalmologica
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pub_type: 杂志文章,随机对照试验
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pub_type: 杂志文章
doi:10.1111/j.1600-0420.2007.01118.x
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doi:10.1111/j.1755-3768.2010.01997.x
更新日期:2010-11-01 00:00:00
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pub_type: 杂志文章
doi:10.1111/j.1755-3768.2009.01519.x
更新日期:2010-09-01 00:00:00