Purpose:To evaluate risk factors for pediatric microbial keratitis and to describe the clinical picture, microbial spectrum, treatment modalities, posttreatment sequelae, and visual outcome in cases with pediatric microbial keratitis.Materials and Methods:All cases of microbial keratitis that occurred in children 16 years or younger who had an initial examination between January 2000 and December 2010 at a tertiary referral eye hospital in Riyadh, Saudi Arabia, were identified. A retrospective review of medical records was conducted using a computer-based diagnosis code. Demographic data, predisposing factors, clinical course, microbial culture results, and visual outcomes were recorded.Results:Sixty-eight eyes were included in this study. Predisposing factors were identified in 63 eyes (92.6%). All patients had unilateral microbial keratitis. The mean±SD age was 4.5 ± 4.8 years and 57.4% were male. Trauma was the leading cause [27 eyes (39.7%)], followed by systemic diseases [14 eyes (20.6%)], contact lens wear [11 eyes (16.1%)], and ocular diseases [11 eyes (16.1%)]. Corneal scraping was performed in all cases. Five patients needed general anesthesia to carry out the corneal scraping. Thirty-four (50.0%) eyes showed positive cultures. Gram-positive bacteria accounted for 67.8% and gram-negative bacteria for 38.2% of isolates. Streptococcus pneumoniae was the most commonly isolated organism [8 eyes (25.8%)], followed by Staphylococcus epidermidis [7 eyes (22.7%)]. Pseudomonas aeruginosa was the most commonly isolated gram-negative [6 eyes (17.6%)] organism. One eye had corneal perforation and required surgical intervention. Forty-five of 68 eyes (66.2%) had a best-corrected visual acuity evaluation at the last follow-up and 28 eyes (62.2%) of them had a best-corrected visual acuity of 20/40 or better.Conclusion:Children with suspected microbial keratitis require comprehensive evaluation and management. Early recognition, identifying the predisposing factors and etiological microbial organisms, and instituting appropriate treatment measures have a crucial role in outcome. Ocular trauma was the leading cause of childhood microbial keratitis in our study.
PurposeTo report anatomical and visual outcomes of Nd:YAG laser posterior hyaloidotomy (NYPH) in Saudi patients affected by Premacular subhyaloid haemorrhage (PMSHH).Methods8 eyes from 8 patients (7 males and one female) were treated with NYPH when no spontaneous resolution of PMSHH was noticed. The cause of PMSHH was proliferative diabetic retinopathy (PDR) in 3 cases, Central retinal vein occlusion (CRVO) in 2 cases, Valsalva retinopathy in 2 cases, and laser pointer injury in one case. The YAG laser was delivered using a Q switched mode and 3 mirrors contact lens. One attempt of laser delivery was enough in 6 cases and 2 cases needed 2 attempts. The laser power needed ranged between 2 and 4 mJ.ResultsAnatomical success was achieved in all cases. The mean LogMAR VA improved from 1.5 before treatment to 0.3 post-treatment. The difference is statistically significant (p = 0.012). No complications related to Nd:YAG laser therapy was reported in any of the study cases until the last follow up.ConclusionTo our knowledge, this is the first study to report the outcomes of NYPH for non-resolving PMSHH in Saudi cases. In this small cases series, the procedure seems to be safe, effective, simple, cheap, and non-invasive treatment modality for this disorder that is conducted in the outpatient setting. We think it should be considered as a first option for cases of SHH covering the fovea due to various aetiologies.
To improve compliance, merely educating patients is not sufficient and more efforts should be undertaken toward ensuring true sense of the problem and its impact. Factors affecting compliance due to the physical properties in the patch itself should be addressed too (heat, irritation, poor adhesive material and design).
We report two cases with foveal congenital simple hamartoma of the retinal pigment epithelium (CSHRPE), as both patients presented to our retina services complaining of a unilateral decreased vision. Full ophthalmic examination and multimodal imaging were performed including fundus photography, fundus autofluorescence, optical coherence tomography, fluorescein angiography, and electrophysiological testing. Both patients presented with 20/80 vision in the affected eyes. Foveal CSHRPE was found in both eyes, along with parapapillary hyperpigmented rim, multiple pinpoint macular lesions, and few posterior pole hyperpigmented lesions. Multifocal electroretinogram showed diminished central amplitude in both eyes, with three-dimensional topography map showing blunted foveal peaks in one eye and the absence of a central peak in the other patient. Both patients had a stable vision and clinical examination of the CSHRPE during 5 and 6 years follow up, respectively. Foveal CSHRPE is usually symptomatic and results in a decline in visual acuity. Follow-up of these patients showed stable vision and clinical examination.
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