A Morphometric Study of the Pars Plana of the Ciliary Body in Human Cadaver Eyes
Vision (Switzerland), ISSN: 2411-5150, Vol: 8, Issue: 2
2024
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Researcher's Work from Federal University of Rio de Janeiro Focuses on Biology (A Morphometric Study of the Pars Plana of the Ciliary Body in Human Cadaver Eyes)
2024 MAY 24 (NewsRx) -- By a News Reporter-Staff News Editor at Health & Medicine Daily -- Research findings on biology are discussed in a
Article Description
This study aimed to determine the pars plana length in postmortem human eyes using advanced morphometric techniques and correlate demographics to ocular metrics such as age, sex, ethnicity, and axial length. Between February and July 2005, we conducted a cross-sectional observational study on 46 human cadaver eyes deemed unsuitable for transplant by the SBO Eye Bank. The morphometric analysis was performed on projected images using a surgical microscope and a video-microscopy system with a 20.5:1 correction factor. The pars plana length was measured three times per quadrant, with the final value being the mean of these measurements. Of the 46 eyes collected, 9 were unsuitable for the study due to technical constraints in conducting intraocular measurements. Overall, the average axial length was 25.20 mm. The average pars plana length was 3.8 mm in all quadrants, with no measurements below 2.8 mm or above 4.9 mm. There were no statistically significant variations across quadrants or with age, sex, axial length, or laterality. Accurately defining the pars plana dimensions is crucial for safely accessing the posterior segment of the eye and minimizing complications during intraocular procedures, such as intravitreal injections and vitreoretinal surgeries.
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