{"title":"Endophthalmitis caused by <i>Hathewaya histolytica</i>: A diagnostic dilemma.","authors":"Lolly Pattnaik, Pradeep Kumar Panigrahi, Suneeta Sahu, Dega Hanisha, Disha Sahoo","doi":"10.4103/ojo.ojo_147_23","DOIUrl":"10.4103/ojo.ojo_147_23","url":null,"abstract":"<p><p>A 76-year-old male presented with pain, redness, and decreased vision in the left eye for 5 days. The patient had undergone combined cataract extraction and vitrectomy for a macular hole 2 weeks back. The vision had reduced to the perception of light in the left eye. Clinical examination revealed lid edema, conjunctival congestion, hazy cornea, and exudative membrane in the pupillary axis with no view of the fundus. Ultrasound examination of the left eye showed plenty of moderate reflective dot echoes. The patient was diagnosed with postoperative endophthalmitis and underwent vitrectomy with intravitreal injection of antibiotics. Growth of <i>Hathewaya</i> <i>histolytica</i> was obtained from the vitreous sample. The organism was sensitive to imipenem. Three weeks following the presentation, visual acuity had improved to counting fingers at one meter in the left eye. This is the first report of endophthalmitis due to <i>H.</i> <i>histolytica</i>. Ophthalmologists should be aware of such ocular infections due to a rare microorganism.</p>","PeriodicalId":19461,"journal":{"name":"Oman Journal of Ophthalmology","volume":"17 2","pages":"271-274"},"PeriodicalIF":0.0,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11309558/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141917217","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Outcome of pediatric cataract surgery including color vision, stereopsis, and cognition in a tertiary eye care center in India.","authors":"Vasudha Kemmanu, Aayesha Khanum, Bhanumathi Madhavrao, Nithya Raghunandan, Sumitha Muthu, Ramesh Venkatesh, Bhujanga K Shetty","doi":"10.4103/ojo.ojo_225_22","DOIUrl":"10.4103/ojo.ojo_225_22","url":null,"abstract":"<p><strong>Background: </strong>Pediatric cataract is an important cause of avoidable childhood blindness in India. Although there are studies on clinical features and visual acuity outcomes of pediatric cataract surgery, there are no studies that look into aspects of color vision, stereopsis, and cognitive functions in children with cataracts. Studying these parameters pre- and postsurgery will help us assess the overall components of visual function that are critical for the child's development. With this in mind, we aimed to study the clinical features, outcome of treatment, color vision, stereopsis, and cognitive functions in children with cataracts.</p><p><strong>Materials and methods: </strong>Design: Hospital-based prospective descriptive study. Data of 68 children (0 < 18 years) were collected, on the clinical features, visual acuity, color vision, stereopsis, and social and intelligence quotient before and after surgery. Data analysis was performed using Graph Pad Prism software version 9.4.0 (673).</p><p><strong>Results: </strong>Ninety eyes of 68 children (36-bilateral/32-unilateral) were operated. A total of 46 children were available at 6 months' follow-up (28 bilateral cataracts (46 eyes) and 18 unilateral cataracts). Nineteen (67.8%) of the bilateral, had a best corrected visual acuity of 6/6-6/18 in the better eye and nine (50%) of the unilateral had a visual acuity of 6/18-6/6 in the operated eye. Preoperatively, 61.5% of the children had a stereopsis of 100-600 arc-secs. Post-operatively, 84.4% of the children had a stereopsis in the range <50-600 arc-secs. All children had color vision deficiency. Preoperatively, 62% of the children had strong and moderate deficiency, whereas postoperatively, 66.6% had mild deficiency. We found negative correlation (<i>r =</i> -0.503) between social quotient and percentage of visual impairment indicating that when visual impairment increases social quotient decreases. The mean IQ preoperatively was 94.36 ± 2.98 and postoperatively 101.38 ± 2.77, with 95% confidence interval <i>P</i> value was statistically significant (<i>P</i> = 0.0001). This shows better and faster performance postoperatively.</p><p><strong>Conclusion: </strong>Majority of the children had improved visual acuity after surgery. This outcome can be extrapolated to the overall improvement in stereopsis, color vision, and higher cognitive functions.</p>","PeriodicalId":19461,"journal":{"name":"Oman Journal of Ophthalmology","volume":"17 2","pages":"237-244"},"PeriodicalIF":0.0,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11309545/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141917264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Exploring the health and ocular hazards of gadget usage in optometry students after COVID-19 lockdown: A qualitative study.","authors":"Gopinath Madheswaran, Athira Nair, Saranya Sachi Balasubramaniam, Chinnasamy Balasubramaniam","doi":"10.4103/ojo.ojo_259_23","DOIUrl":"10.4103/ojo.ojo_259_23","url":null,"abstract":"<p><strong>Background: </strong>Prolonged screen time and abnormal postures can cause backache, neck pain, headache, and finger pain. Studies have shown that excessive usage of gadgets has increased during the coronavirus disease 2019 (COVID-19) pandemic, causing health and ocular hazards. This study used qualitative research methods to understand the health and ocular effects of gadget usage following the COVID-19 postlockdown in optometry students.</p><p><strong>Materials and methods: </strong>A qualitative study using a semi-structured face-to-face interview was conducted for undergraduate and postgraduate students in different optometry institutes who underwent at least 3 months of online teaching learning during the pandemic after obtaining informed consent. The interviews were conducted online; the sessions were audio-recorded, transcribed, and analyzed. Thematic analyses were conducted to understand the challenges faced.</p><p><strong>Results: </strong>Twenty participants were interviewed, of which 70% (<i>n</i> = 14) were females. Thematic analysis identified seven major themes: gadget usage (frequency of usage, type of device, and time spent), challenges during online classes (comprehension, distraction, and network issues), ocular effects (asthenopic symptoms and ocular symptoms), health effects (musculoskeletal disorders), ways to relieve symptoms, recreational activities (breaks and entertainment), and environment and ergonomics (posture and study area and preferred lighting). All the participants reported ocular/health-related symptoms, including eye strain, burning sensation, headache, back pain, finger pain, and neck pain post the lockdown period due to prolonged gadget usage and poor ergonomic postures.</p><p><strong>Conclusions: </strong>Given the significant increase in digital usage following the pandemic, the study's findings are currently relevant. The prolonged usage of gadgets and poor ergonomic postures have led to ocular and musculoskeletal problems among optometry students. To improve gadget usage without any health-related consequences, students should have access to information regarding ergonomics, increasing the blink rate, and taking regular digital breaks.</p>","PeriodicalId":19461,"journal":{"name":"Oman Journal of Ophthalmology","volume":"17 2","pages":"219-223"},"PeriodicalIF":0.0,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11309529/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141917260","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Delayed presentation for cataract surgery in adults in Oman: Is there a problem and what should we do about it?","authors":"Samiya Ahmed Mohammed Al Jabri","doi":"10.4103/ojo.ojo_169_24","DOIUrl":"10.4103/ojo.ojo_169_24","url":null,"abstract":"","PeriodicalId":19461,"journal":{"name":"Oman Journal of Ophthalmology","volume":"17 2","pages":"163-165"},"PeriodicalIF":0.0,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11309526/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141917214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
L Anoop, B N Viswanath, S Shashidhar, Ravi Bypareddy, R H Hithashree, S Surabhi
{"title":"Role of nonsteroidal anti-inflammatory drugs on change in macular volume postcataract surgery in diabetic eyes: A retrospective comparative study.","authors":"L Anoop, B N Viswanath, S Shashidhar, Ravi Bypareddy, R H Hithashree, S Surabhi","doi":"10.4103/ojo.ojo_26_23","DOIUrl":"10.4103/ojo.ojo_26_23","url":null,"abstract":"<p><strong>Context: </strong>Diabetic eyes suffer from variety of complications including macular edema. Cataract surgery is the most commonly done procedure throughout the world and majority would be diabetics. As pseudophakic-cystoid macular edema (CME) is a known complication following cataract surgery, our study concentrated on finding the role of prophylactic topical nonsteroidal anti-inflammatory drugs (NSAIDs) on change in total macular volume (TMV) postcataract surgery in diabetic eyes.</p><p><strong>Aims: </strong>To evaluate the role of NSAIDs on change in TMV postcataract surgery in diabetic eyes.</p><p><strong>Settings and design: </strong>Retrospective comparative study.</p><p><strong>Subjects and methods: </strong>Data were collected from the medical records department of our institute constituting diabetics undergoing cataract surgery from June-2021 to February-2022. Eighty diabetic eyes were divided into two groups: one group were given topical nepafenac drops and another who were not given. Demographic details, diabetic retinopathy stage, preoperative optical coherence tomography (OCT), and postoperative day (POD) 7, day 28, and 3 months OCT were collected. Statistical analysis was done to compare the change in TMV between both the groups.</p><p><strong>Statistical analysis used: </strong>Student's <i>t</i>-test and Chi-squared/Fisher's exact test were employed to find statistically significant differences between the two groups using SPSS-22.0 software.</p><p><strong>Results: </strong>In our study, the mean age in the group with nepafenac was 60.93 ± 5.86 years and 31 (77.5%) had moderate nonproliferative diabetic retinopathy (NPDR), and in the group without nepafenac, the mean age was 58.53 ± 7.41 years and 30 (75%) had moderate NPDR. Majority of the individuals in the study group were known diabetic for 2-5 years. Change in TMV at POD 3 months among two groups was not statistically significant; <i>P</i> = 0.758 (<i>P</i> < 0.05-significant).</p><p><strong>Conclusions: </strong>Our study concluded that topical-NSAIDs played no role in postoperative period following cataract surgery with respect to change in TMV in diabetic eyes. Thus, prophylactic usage of topical-NSAIDs can be a burden on patient as it has no role in prevention of pseudophakic-CME in those with the duration of diabetes mellitus <5 years and with mild-to-moderate NPDR.</p>","PeriodicalId":19461,"journal":{"name":"Oman Journal of Ophthalmology","volume":"17 2","pages":"187-191"},"PeriodicalIF":0.0,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11309548/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141917269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Archana Nivash, Sujatha Mohan, Niranjana Anand, Sujitha Danasekar, Mohan Rajan
{"title":"Bilateral angle-closure attack in a COVID-19-positive patient.","authors":"Archana Nivash, Sujatha Mohan, Niranjana Anand, Sujitha Danasekar, Mohan Rajan","doi":"10.4103/ojo.ojo_311_22","DOIUrl":"10.4103/ojo.ojo_311_22","url":null,"abstract":"<p><p>Ophthalmic examination of a patient with active COVID-19 infection can be challenging. We describe a woman with active COVID-19 infection who was misdiagnosed initially as having conjunctivitis and later presented with acute angle-closure attack in both eyes. Intraocular pressure (IOP) on presentation was about 40 mmHg in both eyes. She was on multiple medications for her COVID-19 infection. A nonpupillary block mechanism of secondary angle closure was suspected and laser iridotomy was avoided. Her IOP was well controlled with medications. Due to significant cataract, phacoemulsification with IOL was performed using femto-assisted rhexis <i>in lieu</i> of the postdilatation IOP spike. There was good IOP control and 6/6 vision postoperatively. Bilateral angle closure of probable multifactorial cause can occur in COVID-19-positive patients.</p>","PeriodicalId":19461,"journal":{"name":"Oman Journal of Ophthalmology","volume":"17 2","pages":"264-267"},"PeriodicalIF":0.0,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11309552/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141917205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}