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Rashaed S.A.,King Khaled Eye Specialist Hospital
Clinical Ophthalmology | Year: 2013

The purpose of this paper is to report an unusual case of accumulation of residual subretinal fluid after surgery for acute rhegmatogenous retinal detachment, sparing the fovea. A 28-year-old male presented with a four-day history of acute visual loss in his right eye secondary to bulbous rhegmatogenous retinal detachment, sparing the fovea. The patient underwent an uneventful pars plana vitrectomy and scleral buckling procedure. At four weeks postoperatively (after complete gas resorption), the visual acuity was 20/40. However, the patient complained of blurred vision. A dilated fundus examination showed a flat retina and the presence of multiple yellowish subretinal deposits resembling vitelliform lesions in the macula. Some lesions were encroaching on the fovea, and were connected via a tract to a previous horseshoe tear with evidence of a thin layer of subretinal fluid. The patient symptoms persisted for one year postoperatively. However, the retina remained flat with evidence of retinal pigment epithelium mottling and faint scars corresponding to previous lesions. Persistent subretinal fluid with thick subretinal precipitate can occur even after successful surgery for acute retinal detachment sparing the fovea and cause visual dysfunction. © 2013 Al Rashaed, publisher and licensee Dove Medical Press Ltd. Source


Nowilaty S.R.,King Khaled Eye Specialist Hospital
Saudi Journal of Ophthalmology | Year: 2013

An 18. year-old male with no antecedent of trauma, systemic syndrome or myopia was referred for surgical treatment of a full thickness macular hole in the left eye. A more careful inspection revealed discrete foveal cystic changes in the fellow eye and subtle peripheral depigmented retinal pigment epithelial changes in both eyes. A spectral-domain optical coherence tomography (SD-OCT) scan confirmed, in addition to the full thickness macular hole in the left eye, microcystic spaces in the nuclear layers of both retinae. The diagnosis of X-linked retinoschisis was confirmed with a full field electroretinogram displaying the typical negative ERG. Macular holes are uncommon in the young and those complicating X-linked retinoschisis are rare. This report highlights the importance of investigating the presence of a macular hole in a young patient and illustrates the clinical and SD-OCT clues beyond the foveal center which led to the correct diagnosis of X-linked juvenile retinoschisis. © 2013. Source


Knudsen V.M.,Retina Associates of Utah | Kozak I.,King Khaled Eye Specialist Hospital
Saudi Journal of Ophthalmology | Year: 2014

Purpose: To evaluate success with intravitreal injection of ocriplasmin in releasing symptomatic vitreomacular traction (VMT).Methods: A retrospective review of consecutive series of patients in a single vitreoretinal practice. Patients with symptomatic distortion and loss of vision secondary to VMT were included in the study. Patients received a single injection of ocriplasmin (JETREA®) and were followed-up after 1 month with optical coherence tomography. Results: Eight patients (8 eyes) were included (2 males and 6 females) in the study. Five of 8 eyes (62.5%) experienced complete release of the VMT; one of 8 eyes (12.5%) had partial release of VMT and two of 8 eyes (25%) did not have release of VMT. The two patients with no release of their VMT had the same vision. Of the 5 patients with complete release of VMT, 3 patients had a one line worsening of their vision, 1 had a 4 line improvement of vision, and 1 stayed the same. The patient with only partial release of their VMT had a 1 line worsening of vision. Conclusions: Intravitreal ocriplasmin is a promising treatment option for vitreomacular traction syndrome in symptomatic patients. © 2014 Saudi Ophthalmological Society, King Saud University. Source


Khan A.O.,King Khaled Eye Specialist Hospital | Khan A.O.,King Faisal Specialist Hospital And Research Center
Current Opinion in Ophthalmology | Year: 2013

PURPOSE OF REVIEW: Centered on the Arabian Peninsula, the Middle East encompasses Northern Africa to Western Asia. Primarily Arab and historically tribal, populations from this region often practice customary intrafamilial marriage (consanguinity), intratribal marriage (endogamy), and a preference for many offspring. These social factors increase the frequency of homozygosity, including homozygosity for gene mutation and thus for recessive ocular disease. This review highlights recent studies of ocular genetic disease in the Middle East. RECENT FINDINGS: Among modern molecular genomic/genetic strategies, homozygosity mapping as a method to guide candidate gene analysis has been a powerful technique for the Middle East. Studies from the region have enhanced our understanding of ocular genetic conditions that are more common worldwide (such as pediatric glaucoma, pediatric cataract, and retinal dystrophy/dysfunction), rare worldwide (such as cornea plana, brittle cornea syndrome, and posterior microphthalmos), and currently only reported on the Arabian Peninsula (such as microcornea with myopic chorioretinal degeneration and telecanthus, familial retinal arterial macroaneurysms, and spherophakia with short stature). For some patients diagnosed with non-syndromic cataract or retinal dystrophy, genomic/genetic analysis uncovered recessive mutation in a syndrome gene and phenotypic reassessment confirmed the presence of the undiagnosed syndrome in the tested patients. SUMMARY: Recent studies from the Middle East, many of which employed homozygosity mapping, have improved phenotype-genotype correlations for common and rare ocular genetic disease. In some instances genetic diagnosis revealed an undiagnosed syndrome. Reports of ocular genetic conditions thus far unique to the region have suggested novel ocular developmental pathways. © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins. Source


Khan A.O.,King Khaled Eye Specialist Hospital
Open Ophthalmology Journal | Year: 2015

Glaucoma in children differs from adult-onset disease and typically requires surgical intervention. However, affected children exhibit a spectrum of disease severity and prospective data guiding the choice of operation are lacking. This article reviews common procedures and a surgical approach to pediatric glaucoma. © Arif O. Khan; Licensee Bentham Open. Source

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