Khalid F. Tabbara

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PURPOSE To present revised criteria for the diagnosis of Vogt-Koyanagi-Harada disease, a chronic, bilateral, granulomatous ocular and multisystem inflammatory condition of unknown cause. METHODS Diagnostic criteria and nomenclature were subjects of discussion at the First International Workshop on Vogt-Koyanagi-Harada Disease on October 19-21, 1999, at(More)
We recently identified a trinucleotide repeat polymorphism, (GCT)n, within the transmembrane (TM) segment of the human MHC class I MICA gene (MHC class I chain-related gene A). Five distinct alleles (A4, A5, A5.1, A6, A9) corresponding to 4, 5, 5 with one nucleotide insertion, 6 and 9 repetitions, respectively, have been detected in various HLA-homozygous B(More)
The prevalence and etiology of visual loss and of eye diseases were determined in the Kingdom of Saudi Arabia. The sample was a stratified geographic cluster sample of 14,577 persons representing the settled population of Saudi Arabia. A nonstatistical sample of 2,233 bedouins was also examined. The survey revealed that 1.5% of the population are blind and(More)
Bacterial keratitis continues to be a serious problem in developing countries. The authors studied 881 patients who had undergone penetrating keratoplasty (total of 947 procedures) from January 1983 to March 1986 at the King Khaled Eye Specialist Hospital, Riyadh, Saudia Arabia. All patients were followed for at least 6 months. Clinical evidence of(More)
AIMS AND BACKGROUND The main objective of this study was to determine the causes of uveitis at a referral center in Riyadh, Saudi Arabia. METHODS We carried out a retrospective review of clinical records of 200 uveitis cases referred to The Eye Center, a referral center in Riyadh, Saudi Arabia. There were 120 (60%) males and 80 (40%) females with an age(More)
Endophthalmitis due to endogenous or exogenous bacteria is a rare infection of the eye. We report a case of endophthalmitis following Listeria monocytogenes keratoconjunctivitis in a 27-year-old healthy white male presenting with hand motion visual acuity, right eye mucopurulent conjunctivitis, elevated intraocular pressure, and pigmented hypopyon 6 months(More)
PURPOSE To present a case of ligneous conjunctivitis where the recurrence of membranous conjunctivitis was prevented by subconjunctival and topical instillation of fresh frozen plasma. DESIGN Interventional case report. METHODS A case of ligneous conjunctivitis with multiple recurrences since the age of 3 years developed recurrent membranous(More)
PURPOSE The main purpose of this study was to determine the causes of uveitis at the Eye Center in Saudi Arabia. METHODS A retrospective review. The causes of uveitis were analyzed according to various patient characteristics. RESULTS A total of 488 cases were encountered. The age range was 3 to 99 years (mean age: 38 years). The most common causes of(More)
Diseases leading to corneal opacities are inflammations, infections, metabolic causes, trauma, or genetically determined diseases. Corneal dystrophies may lead to corneal blindness. A clinical and pathological review of 2,108 corneal specimens received from December 1983 to January 1988 revealed 86 (4%) corneal specimens with corneal dystrophies.(More)
PURPOSE Trachoma, a chronic follicular conjunctivitis caused by infection with Chlamydia trachomatis, is the leading cause of preventable blindness. The blinding complications are associated with progressive conjunctival scarring that may result from immunologically mediated responses. We studied the processes involved in the regulation of inflammation and(More)