Purpose: To determine the frequency of different types of strabismus and amblyopia in the patients of strabismus clinics from 2008 to 2014.
Methods: This retrospective cross-sectional study was conducted using data from the archives of Farabi Hospital in Tehran, Iran, from 2008 to 2014. The study consisted of using records of strabismic patients. From these, strabismus types and associated abnormalities, types of amblyopia and other ocular pathological findings were recorded.
Results: In this study, 1174 strabismic patients were studied. Accommodative esotropia (ET) was the most prevalent type of strabismus accounting for 25.04% of all strabismic patients while intermittent exotropia (XT), nonaccommodative ET and partially accommodative ET, with 12.09%, 11.24% and 10.39%, respectively, were relatively common. Also, 63.03% of all strabismic patients had esodeviation with XT coming second accounting for 24.53% of patients. Other ocular pathologic findings in addition to strabismus were found in 236 (20.1%) patients. The most common association with those types of strabismus was inferior oblique over action accounting for 11.07% of all cases, and 88 patients had nystagmus in addition to strabismus. Significantly 45% of patients had no amblyopia and 37% of patients had a combined type of amblyopia which was the most common type of amblyopia found in strabismic patients.
Conclusion: The prevalence of ET was two and a half times more than XT and almost half of strabismic patients suffer from amblyopia. This study suggests that strabismus screening of children could be useful in the early detection of strabismus, appropriate management of it and prevention of strabismic amblyopia.
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http://dx.doi.org/10.2147/OPTO.S147642 | DOI Listing |
Strabismus
December 2024
Kepler University Clinic, Department of Ophthalmology and Optometry, Johannes Kepler University, Linz, Austria.
: Amblyopia is a common disease, and interventions like patching treatment are well studied. When standard therapy fails, sometimes uncommon treatment options become necessary. : We present three cases of patients with severe strabismic amblyopia with initial visual acuities of 20/400, 20/2000 and 20/160 who failed conventional treatment and subsequently received treatment with high-powered contact lenses (HPCL) of either + 22D or + 25D strength.
View Article and Find Full Text PDFJ AAPOS
December 2024
Pakistan Academy of Sciences, Islamabad, Federal Capital, Pakistan; Science and Technology Sector, ICESCO, Rabat, Kingdom of Morocco.
Background: Abnormalities in mitochondrial energy homeostasis can lead to various disorders, including ocular motility aberrations. Previous studies have suggested the involvement of mitochondrial aberrations in strabismus etiology. We compared the blood-derived mitochondrial DNA (mtDNA) copy number from comitant strabismus patients with that from age-matched controls, and also compared expression of mitochondrial biogenesis genes in a separate set of extraocular muscle samples from strabismic and control subjects.
View Article and Find Full Text PDFJ AAPOS
December 2024
Cleveland Clinic Lerner College of Medicine, Cleveland, Ohio; Cleveland Clinic Cole Eye Institute, Cleveland, Ohio.
Cureus
November 2024
Ophthalmology, Queensland Children's Hospital, Brisbane, AUS.
Purpose To identify and characterize incident cases of strabismus and interocular visual acuity among infants post lensectomy for congenital cataract. Method This was a single-centre retrospective chart review of all children aged less than 12 months who underwent lensectomy from 1st January 2014 to 1st January 2021. Cases were identified from theatre coding and electronic medical records.
View Article and Find Full Text PDFOphthalmology
September 2024
Department of Ophthalmology, University of Southern California, Los Angeles, California; Division of Ophthalmology, Children's Hospital Los Angeles, Los Angeles, California. Electronic address:
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