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ABSTRACT
Purpose: The purpose of the study is to analyze the structural and functional alterations of the lacrimal gland and its tear secretion post-enucleation in Wistar rats.
Method: Adult male Wistar rats (n = 15) of 8-week-old were randomly assigned into three groups viz. control, sham, and experimental group (n = 5). Rats of the experimental group were subjected to enucleation of the right eye. Under aseptic surgical conditions, with sterilized forceps, right eyeball of the rats of experimental group was exposed completely out of the socket by applying pressure on the lateral canthus of the eye. Enucleation was then achieved after holding the optic nerve tightly. The surgical procedure was similar in sham group without enucleation. Quantity of tears (Basal and reflex) secreted in both eyes in rats of all groups were measured by using Schirmer’s strip, pre- and post-three weeks of enucleation. The lacrimal gland was harvested to analyze histopathological (structural) alterations.
Results: Pr- and post-enucleation there was no significant difference observed in the tear volume across the groups. Histopathology of the lacrimal glands from all groups showed preserved lobular architecture with serous acini arranged in lobules, intralobular and interlobular ducts, interstitial fibro collagenous tissue. There was no glandular distortion and atrophy in experimental group.
Conclusion: Enucleation do not co-relate or affect the tear volume and lacrimal gland acinar microstructural changes in an anophthalmic socket co-relating to the contralateral normal functional eye.
Acknowledgments
We, authors, thank Manipal Academy of Higher Education for supporting research work financially.
Disclosure statement
No potential conflict of interest was reported by the author(s).