Sangwon Jung, Gyeong Min Lee, Yeon Bi Han, Namju Kim
{"title":"Rare Case of hamartoma in nasolacrimal duct.","authors":"Sangwon Jung, Gyeong Min Lee, Yeon Bi Han, Namju Kim","doi":"10.3341/kjo.2024.0018","DOIUrl":"https://doi.org/10.3341/kjo.2024.0018","url":null,"abstract":"","PeriodicalId":101356,"journal":{"name":"Korean journal of ophthalmology : KJO","volume":"36 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140728201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Two cases of KIF11-related retinopathy with microcephaly.","authors":"Dongyoung Lee, Sungsoon Hwang, Sang Jin Kim","doi":"10.3341/kjo.2023.0144","DOIUrl":"https://doi.org/10.3341/kjo.2023.0144","url":null,"abstract":"","PeriodicalId":101356,"journal":{"name":"Korean journal of ophthalmology : KJO","volume":"38 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140728315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Utilization of Cavitron Ultrasonic Surgical Aspirator in the Removal of Extensive Orbital Cavernous Venous Malformation: A Case Report.","authors":"Yoonsoo Joe, Hee-Young Choi, Jungyul Park","doi":"10.3341/kjo.2024.0001","DOIUrl":"10.3341/kjo.2024.0001","url":null,"abstract":"","PeriodicalId":101356,"journal":{"name":"Korean journal of ophthalmology : KJO","volume":" ","pages":"170-172"},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11016689/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139731390","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":"Clinical Performance Comparison of Ultrahigh-speed Dual Pneumatic Vitrectomy Probes: Is Faster and Smaller Better?","authors":"Donghyeon Lee, Sooyeon Lee, Kyung Seek Choi","doi":"10.3341/kjo.2023.0109","DOIUrl":"10.3341/kjo.2023.0109","url":null,"abstract":"<p><strong>Purpose: </strong>Various vitrectomy probes are currently being used commercially, and there are ongoing efforts toward developing probes with higher cutting rates and smaller gauges. This study aimed to compare the efficiency and safety of various commercially available small gauge ultrahigh-speed dual pneumatic vitrectomy probes.</p><p><strong>Methods: </strong>We retrospectively analyzed the medical records of patients and recorded intraoperative videos while they underwent microincision three-port vitrectomy surgery for idiopathic epiretinal membrane at Soonchunhyang University Seoul Hospital. The patients were categorized into four groups based on the vitrectomy probe used during surgery: 23-7500 (UltraVit 23-gauge 7,500 cuts per minute [CPM]), 23-7500 (UltraVit 25-gauge 7,500 CPM), 25-10K (Advanced UltraVit 25-gauge 10,000 CPM), and 27-10K (Advanced UltraVit 27-gauge 10,000 CPM).</p><p><strong>Results: </strong>In total, 82 eyes from 82 patients were included in this work, with 16, 11, 26, and 29 eyes in groups 23-7500, 25-7500, 25-10K, and 27-10K, respectively. The corresponding vitrectomy times were 295.56 ± 53.55, 293.09 ± 50.28, 299.92 ± 59.42, and 349.38 ± 67.23 seconds, respectively. There was a significant difference in the vitrectomy time between the groups (p = 0.004). The mean number of sutures was 3, 3, 2.96, and 0.83, respectively. In the 23-7500 group, there was one case of iatrogenic retinal break, while in the 27-10K group, there was one case of postoperative hypotony.</p><p><strong>Conclusions: </strong>Although advancements have been made in the 27-gauge vitrectomy probe, it still takes more vitrectomy time than it does when using the 23- and 25-gauge probes. However, the delay was within an average of 1 minute, and considering the significantly reduced need for sutures, there is a substantial benefit in terms of postoperative discomfort. Therefore, when choosing a probe for epiretinal membrane surgery among the four options, it is reasonable to select the 27-gauge probe according to the surgeon's preference.</p>","PeriodicalId":101356,"journal":{"name":"Korean journal of ophthalmology : KJO","volume":" ","pages":"122-128"},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11016684/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139731427","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":"Pseudoexfoliation Syndrome Showing Different Deposition Patterns in Pseudophakic Eyes: Two Case Reports.","authors":"In Ki Park, Kyoung Woo Kim, Yeoun Sook Chun","doi":"10.3341/kjo.2023.0115","DOIUrl":"10.3341/kjo.2023.0115","url":null,"abstract":"","PeriodicalId":101356,"journal":{"name":"Korean journal of ophthalmology : KJO","volume":" ","pages":"173-175"},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11016691/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139731389","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":"Efficacy and Rapidity of Potassium Hydroxide Mount and Modified Chicago Sky Blue 6B Stain with Potassium Hydroxide in Fungal Keratitis Detection.","authors":"Prateep Warnnissorn, Jeerawat Sawatdiwithayayong, Phrutthinun Surit","doi":"10.3341/kjo.2023.0106","DOIUrl":"10.3341/kjo.2023.0106","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the efficacy and rapidity of direct microscopic detection of fungal elements from corneal ulcers between 10% potassium hydroxide (KOH) and 1% Chicago Sky Blue 6B (CSB) in 10% KOH (CSB-KOH).</p><p><strong>Methods: </strong>Thirty patients with clinically suspected fungal keratitis were recruited. Participants with impending corneal perforation were excluded. Two slides were smeared with corneal ulcer scrapings from the ulcer's edge and base for comparison of fungal staining solutions. One slide was infused with KOH, and the other slide was filled with CSB-KOH. Additional scraping was collected for inoculation on Sabouraud dextrose agar for fungal culture. The sensitivity, specificity and rapidity of both stainings were analyzed.</p><p><strong>Results: </strong>The sensitivity of fungal culture, KOH, and CSB-KOH were 43.75% (95% confidence interval [CI], 19.75%-70.12%), 62.50% (95% CI, 35.43%-84.80%), and 87.50% (95% CI, 61.65%-98.45%), respectively. The specificity were 100% (95% CI, 69.15%-100%) of both stainings and fungal culture which analyzed from 16 fungal keratitis cases by laboratory and clinical diagnosis. Mean CSB-KOH examination time was quicker than KOH with the mean time difference of 5.6 minutes (95% CI, 3.22-7.98 minutes) and p-value < 0.001.</p><p><strong>Conclusions: </strong>CSB-KOH was more effective and faster than KOH in detecting fungal elements from corneal ulcers. Therefore, CSB-KOH may be beneficial in diagnosing fungal keratitis and preventing blindness. Moreover, to the best of our knowledge, this is the first use of CSB stain in fungal keratitis detection.</p>","PeriodicalId":101356,"journal":{"name":"Korean journal of ophthalmology : KJO","volume":" ","pages":"98-104"},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11016681/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139731385","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}
Jeongmin Kim, Taeeun Kim, Hungwon Tchah, Kyungmin Koh
{"title":"Long-term Results after Bilateral Implantation of Extended Depth of Focus Intraocular Lenses with Mini-Monovision.","authors":"Jeongmin Kim, Taeeun Kim, Hungwon Tchah, Kyungmin Koh","doi":"10.3341/kjo.2023.0139","DOIUrl":"10.3341/kjo.2023.0139","url":null,"abstract":"<p><strong>Purpose: </strong>To assess long-term clinical results following bilateral Tecnis Symfony ZXR00 intraocular lens implantation with mini-monovision.</p><p><strong>Methods: </strong>The medical records of cataract patients who underwent bilateral implantation of ZXR00 with intended mini-monovision (target refraction of -0.3 diopters [D] in dominant eye and -0.6 D in nondominant eye) between April 2019 and March 2021 were assessed. Postoperative uncorrected distance visual acuity (UDVA), corrected distance VA (CDVA), uncorrected intermediate VA (UIVA), uncorrected near VA (UNVA), and rate of spectacle dependence for near distance were investigated at 3 months and 2 years after surgery.</p><p><strong>Results: </strong>This study included 61 patients (122 eyes) with average age of 61.8 ± 7.7 years. At 2 years postoperatively, binocular logarithm of the minimum angle of resolution UDVA, UIVA, UNVA, and CDVA were 0.086 ± 0.094, 0.056 ± 0.041, 0.140 ± 0.045, and 0.012 ± 0.024, respectively. The monocular manifest refraction spherical equivalent was -0.31 ± 0.38 in the dominant eye and -0.53 ± 0.47 in the nondominant eye at 3 months postoperatively, and -0.38 ± 0.43 in the dominant eye and -0.61 ± 0.54 in the nondominant eye at 2 years postoperatively. Eight out of 61 patients (13.1%) needed glasses 3 months after surgery, and nine out of 61 patients (14.8%) needed glasses 2 years after surgery.</p><p><strong>Conclusions: </strong>The bilateral implantation of ZXR00s with mini-monovision allows for a good VA at wide range of distance from far to near, thereby resulting in high rate of spectacle independence. These results have held up well even after 2 years after surgery.</p>","PeriodicalId":101356,"journal":{"name":"Korean journal of ophthalmology : KJO","volume":" ","pages":"129-136"},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11016687/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139984977","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}
Dong Hyun Kim, Youngsub Eom, Chang Ho Yoon, Hyun Soo Lee, Ho Sik Hwang, Jin Hyoung Kim, Tae-Im Kim, Jong Suk Song, Kyoung Yul Seo, Kyung Chul Yoon
{"title":"New Korean Guidelines for the Diagnosis and Management of Dry Eye Disease.","authors":"Dong Hyun Kim, Youngsub Eom, Chang Ho Yoon, Hyun Soo Lee, Ho Sik Hwang, Jin Hyoung Kim, Tae-Im Kim, Jong Suk Song, Kyoung Yul Seo, Kyung Chul Yoon","doi":"10.3341/kjo.2023.0076","DOIUrl":"10.3341/kjo.2023.0076","url":null,"abstract":"<p><p>New Korean guidelines for the diagnosis and management of dry eye disease were developed based on literature reviews by the Korean Dry Eye Guideline Establishment Committee, a previous dry eye guideline by Korean Corneal Disease Study Group, a survey of Korean Dry Eye Society (KDES) members, and KDES consensus meetings. The new definition of dry eye was also proposed by KDES regular members. The new definition by the regular members of the KDES is as follows: \"Dry eye is a disease of the ocular surface characterized by tear film abnormalities and ocular symptoms.\" The combination of ocular symptoms and an unstable tear film (tear breakup time <7 seconds) was considered as essential components for the diagnosis of dry eye. Schirmer test and ocular surface staining were considered adjunctive diagnostic criteria. The treatment guidelines consisted of a simplified stepwise approach according to aqueous deficiency dominant, evaporation dominant, and altered tear distribution subtypes. New Korean guidelines can be used as a simple, valid, and accessible tool for the diagnosis and management of dry eye disease in clinical practice.</p>","PeriodicalId":101356,"journal":{"name":"Korean journal of ophthalmology : KJO","volume":" ","pages":"156-163"},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11016685/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140023898","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":"Vitreous Opacity Following Intravitreal Brolucizumab Injection: A Case Series Review.","authors":"Kook Hyung Lee, Sung Chul Lee, Min Woo Lee","doi":"10.3341/kjo.2023.0133","DOIUrl":"10.3341/kjo.2023.0133","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate cases of vitreous opacity (VO) similar to asteroid hyalosis (AH) after intravitreal brolucizumab injection.</p><p><strong>Methods: </strong>A retrospective chart review was conducted to identify cases showing VO similar to AH among patients who received intravitreal brolucizumab injections at our retinal clinic from January 2022 to January 2023.</p><p><strong>Results: </strong>A total of 220 brolucizumab injections were administered at our hospital. VO, showing yellow-white brilliant reflective particles, was found in six patients (2.7%). When VO occurred, all patients complained of floaters, although none of them complained of other symptoms including decreased visual acuity, pain, or conjunctival redness. The mean number of brolucizumab injections was 2.57 ± 2.38. No significant visual impairment was observed while VO was present. VO improved in all cases, and four cases improved without any treatment. The mean interval from onset to disappearance of VO was 8.0 ± 3.1 weeks.</p><p><strong>Conclusions: </strong>VO, similar to AH, can occur with a relatively high probability after intravitreal brolucizumab injections. Patients complained of severe floaters, but VO was not accompanied by other symptoms including vision impairment, injection, and pain. The VO disappeared after approximately 4 to 14 weeks. In case that other inflammatory findings are not severe, close follow-up without treatment may be sufficient. If a patient complains of floaters after an intravitreal brolucizumab injection, close fundus observation is necessary to evaluate the VO.</p>","PeriodicalId":101356,"journal":{"name":"Korean journal of ophthalmology : KJO","volume":" ","pages":"113-121"},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11016686/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139731393","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}
Minjeong Ashley Koo, Hye Yeon Yoon, Jae Hyun Park, So-Hyang Chung, Hyun-Seung Kim, Yong-Soo Byun
{"title":"One-year Outcomes of Ultrathin Descemet Stripping Automated Endothelial Keratoplasty Combined with Cataract Surgery in the Korean Population.","authors":"Minjeong Ashley Koo, Hye Yeon Yoon, Jae Hyun Park, So-Hyang Chung, Hyun-Seung Kim, Yong-Soo Byun","doi":"10.3341/kjo.2023.0101","DOIUrl":"10.3341/kjo.2023.0101","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the refractive outcomes after ultrathin Descemet stripping automated endothelial keratoplasty (UT-DSAEK) combined with phacoemulsification and intraocular lens implantation (triple procedure) in the South Korean population.</p><p><strong>Methods: </strong>This retrospective observational study included 37 eyes of 36 patients who underwent the UT-DSAEK triple procedure between 2012 and 2021 in a single tertiary hospital. Preoperative and postoperative refractive outcomes and endothelial parameters at 1, 3, 6, and 12 months were observed.</p><p><strong>Results: </strong>At the final postoperative 12-month period, the average best-corrected visual acuity was 0.4 ± 0.5 in logarithm of the minimum angle of resolution. The mean endothelial cell density at 12 months was 1,841.92 ± 731.24 cells/mm2, indicating no significant endothelial cell loss compared to the baseline (p = 0.128). The mean postoperative central corneal thickness at 12 months was 597.41 ± 86.26 μm. The postoperative mean absolute error at 12 months was 0.96 ± 0.89 diopters (D) and mean error was 0.89 ± 0.97 D.</p><p><strong>Conclusions: </strong>The results of our South Korean cohort study on UT-DSAEK triple surgery showed favorable and safe outcomes. Regardless of graft thickness, it should be noted that a hyperopic shift of 1.00 to 2.00 D needs to be considered in the case of UT-DSAEK triple surgery.</p>","PeriodicalId":101356,"journal":{"name":"Korean journal of ophthalmology : KJO","volume":" ","pages":"105-112"},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11016680/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139731386","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}