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An Epidemiological Study for Relationship Between Risk Factors and Types of Cataract.

Journal of the Korean Ophthalmological Society.1995;36(2):227-233.

The epidemiological study to evaluate the risk factors and types of cataract was performed in 183 cataract patients who received cataract operation in Chung-Ang University Hospital and in 80 control patients from March 1992 to Febraury 1994. Our study revealed that the sun light exposure and smoking were related to nuclear opacity, and drinking and smoking were related to cortical opacity. Also anterior subcortical opacity was more common in patients with heart disease. And the long term use of steroid and patient with diabetes mellitus were risk factors of posterior subcapsular opacity cataractogenesis. In this study we could confirm some risk factors were closely related to the type of lens opacity.
Cataract* ; Diabetes Mellitus ; Drinking ; Epidemiologic Studies* ; Epidemiology ; Heart Diseases ; Humans ; Risk Factors* ; Smoke ; Smoking ; Solar System

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The Evaluation of Incidence of Hyphema as Early Complication following Sutureless Cataract Surgery.

Do Yong LEE ; Il Chan PARK ; Jae Hong KIM ; Kwang Hyun RYU

Journal of the Korean Ophthalmological Society.1995;36(2):220-226.

Postoperative hyphema following cataract extraction surgery is not usually a serious complication and clears quickly in the most cases. Sutureless cataract surgery was reported to have less incidence of postoperative hyphema than conventional cataract surgery. We analyzed the incidence of postoperative hyphema in each group according to the depth and the length of scleral pocket incision in 500 eyes with the sutureless cataract surgery via superior incision during two years. One day after surgery, 90 cases(18.0%) had hyphema and most of them(74.4%) showed grade 1 severity. The incidence of hyphema was 23.0% in the deep incision group and only 11.9% in the superficial incision group(p<0.01). The percentage of grade 1 hyphema was 66.6% in the deep group and 92.6% in the superficial group, then severity was greatly reduced in the superficial incision group(p<0.01). The incidence of hyphema in the group of 7.0 mm in length was highest among the 6.0, 6.5, 7.0 mm groups(p<0.01), and the shorter the incision length, the milder the serverity of hyphema(p<0.01). The incidence of hyphuma was the lowest(6.2%) in the group of 6.0 mm in length and superficial incision, and it was the highest(28.5%) in the 7.0 mm in length and deep incisional group(p<0.01).
Cataract Extraction ; Cataract* ; Hyphema* ; Incidence*

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Increased Intraocular Pressure After Extracapsular Cataract Extraction with Intraocular Lens Insertion.

Nam Ho BAEK ; Seo Hak LEE ; Jin Yong PARK

Journal of the Korean Ophthalmological Society.1995;36(2):214-219.

Extracapsular cataract extraction(ECCE) with posterior chamber intraocular lens(PC-IOL) implantation is now favorable surgery to improye decreased visual acuity due to cataract. But this surgical method often causes secondary glaucoma, hyphema, uveitis, and macular edema, which result in poor visual outcome. We studied the causes of elevated intraocular pressure(IOP) retrospectively in 15 eyes of 14 patients among 1,657 cases undergone with the implantation of PC-IOL, in recent 5 years. As the preoperative causes, preexisting uveitis(5 eyes, 33%) and underlying glaucoma(3 eyes, 20%) were important factors. Postoperative causes were newly developed uveitis(1 eye, 6.7%), steroid responder(2 eyes, 13.3%) and idiopathy(4 eyes, 27%). From the above results, We should take more meticulous care in intraoperative and postopertive management in cases of preexisting uveitis and glaucoma.
Cataract Extraction* ; Cataract* ; Glaucoma ; Humans ; Hyphema ; Intraocular Pressure* ; Lenses, Intraocular* ; Macular Edema ; Retrospective Studies ; Uveitis ; Visual Acuity

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Astigmatic Changes According to Incision Length After Sutureless Cataract Surgery.

Chang Yeul PARK ; Jae Hong KIM ; Kwang Hyun LYU

Journal of the Korean Ophthalmological Society.1995;36(2):205-213.

We analyzed an astigmatism and an uncorrected visual acuity in 235 eyes for 6 months following sutureless cataract surgery(167 eyes) with 5 mm(Group 1), 6 mm(Group 2), and 7 mm(Group 3) incision lengths at 2.5 mm posteriorly from the corneoscleral limbus, and shoelace sutured cataract surgery(68 eyes) with 7 mm(Group 4) incision length at 1 mm posteriorly from the corneoscleral limbus performed by one surgeon. In three groups of sutureless cataract surgery, the surgically induced corneal astigmatisms were stable after one month postoperatively, but decreasing the length of incision substantially reduced the astigmatic changes(p>0.05), the astigmatic swings(p>0.05) and the astigmatic ranges. In comparison to sutured cataract surgery with 7 mm incision length, sutureless cataract surgery with same incision length reduced the astigmatic changes(p<0.01), reduced the astigmatic swings(p<0.01) and narrowed the astigmatic ranges and also was stabilized earlier. The shorter the length of incision in sutureless cataract surgery, the higher the incidence of an uncorrected visual acuities of 20/40 or better(p>0.05) was noted. In comparison to sutured catarct surgery with 7 mm incision length, suture less cataract surgery with same incision length had higher incidence of an uncorrected visual acuities of 20/40 or better(p<0.01). The tesults indicate that smaller incision length in sutureless cataract surgery was associated with a lower surgically induced astigmatism(p>0.05) and a better uncorrected visual acuity(p>0.05). And sutureless cataract surgery rather than sutured cataract surgery was associated with a lower surgically induced astigmatism(p<0.01), an earlier stability, and a better uncorrected visual acuity(p<0.01).
Astigmatism ; Cataract* ; Incidence ; Sutures ; Visual Acuity

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2 Cases of Limbal Autograft Transplantation after Chemical/Thermal Corneal Burns.

Seung Hee BAEK ; Jin Hak LEE

Journal of the Korean Ophthalmological Society.1995;36(2):199-204.

A severe chemical or thermal injury is a troublesome ocular insult, which usually results in persistant corneal epithelial defect, stromal scarring, and neovascularization. For resurfacing chemically burned cornea, limbal autograft transplantation is presented in 2 cases of chemical and/or thermal injury with follow-up of 6, 8 months. The operative technique involved transfer of four free grafts of limbal tissue from the uninjured fellow eye to the severely injured eye. Clinical results of the cases have shown surface healing with stable epithelial adhesion without recurrent erosion or persistant epithelial defect.
Autografts* ; Burns* ; Cicatrix ; Cornea ; Follow-Up Studies ; Transplants

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Histopathologic Change and Clinical Use of Glycerin-stored Corneosclera.

Noh Hee MYUNG ; Sang Duk KIM ; Jae Duck KIM

Journal of the Korean Ophthalmological Society.1995;36(2):192-198.

Corneoscleras were stored in 4 degrees C, 98% glycerin and were examined histologically at various storage periods. There were no remarkable pathologic changes in the stainability or arrangement of collagen fibers in stored corneoscleras from one month to 33 months. 12 eyes of 12 patients underwent tectonic or therapeutic keratoplasty with them. The integrity of the globe was maintained in all cases and vision improved in three cases without the second operation. One case achieved visual improvement by optical keratoplasty. In four cases, the vision may be improved by the second operation, such as optical keratoplasty and keratoprosthesis.
Collagen ; Corneal Transplantation ; Glycerol ; Humans

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Clinical Effects of Punctal Occlusion Using Chromic Catgut.

Uk Hyun SONN ; Jin Kap KIM ; Suk Dong KIM

Journal of the Korean Ophthalmological Society.1995;36(2):185-191.

The treatment of dry eye patients is based on the management of the main causes of the disease. When the process of disease continues regardless of various conventional treatments, punctal occlusion can be employed. We used collagen implant. 1-0 and 2-0 chromic catgut in 33 eyes of dry eye patients to evalute the efficacy of punctal occlusion using chromic catgut. Symptoms(grade 0 to 3) were improved from the first week and persistently decreased in symptom grade during four weeks' follow-up period. The superficial corneal punctate erosion(grade 0 to 3) was improved after 2 weeks of the procedure in the whole 33 eyes(p<0.05). There was no superiority between collagen implant and chromic catgut. There was no improvement by score of the Schirmer test and the BUT in each group(p<0.05). We concluded that chromic catgut was easily applicable, very effective, inexpensive and showed less complication compared with collagen implant. We suggested that it could be used more widely in punctal occlusion in dry eye patients.
Catgut* ; Collagen ; Follow-Up Studies ; Humans

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Two Cases of Optic Neuritis in Herpes Zoster Ophthalmicus.

Jong Youn KIM ; Min AHN ; Dong Wook LEE

Journal of the Korean Ophthalmological Society.2008;49(6):1028-1032. doi:10.3341/jkos.2008.49.6.1028

PURPOSE: We report the treatment and prognosis of two patients who experienced pain in their face associated with skin lesions and acute decreased visual acuity and were diagnosed with optic neuritis caused by the herpes zoster virus. CASE SUMMARY: Two patients were diagnosed with herpes zoster ophthalmicus after experiencing an acute decrease in visual acuity and were sent to our clinic for examination. On ophthalmic evaluation, the results were positive for relative afferent pupillary defect (RAPD) and showed abnormal VEP levels. On MRI T1, one case showed a high signal along the optic nerve sheath. Both patients with optic neuritis were treated with Acyclovir (Zovirax(R), GlaxoSmithKline, U.K.), which is an antiviral drug, at a dose of 10 mg/kg every 8 hours for 5 days, and a combination of prednisolone at a dose of 250 mg every 6 hours. After general therapy, they took Acyclovir (250 mg) orally 3 times daily for 14 days, with steroids (40 mg), and decreased the dosage after two weeks. We saw no improvement of visual acuity in either case, which still showed RAPD. CONCLUSIONS: Optic neuritis secondary to herpes zoster ophthalmicus rarely occurs, but it is difficult to treat and has a poor prognosis. We should keep in mind that optic neuritis can occur in patients who were diagnosed with herpes zoster ophthalmicus.
Acyclovir ; Herpes Zoster ; Herpes Zoster Ophthalmicus ; Herpesvirus 3, Human ; Humans ; Optic Nerve ; Optic Neuritis ; Prednisolone ; Prognosis ; Pupil Disorders ; Skin ; Steroids ; Visual Acuity

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Suprachoroidal Hemorrhage During Pars Plana Vitrectomy Associated with Valsalva Maneuver.

Han Woong LIM ; Byung Woo KO ; Yumi SONG ; Byung Ro LEE

Journal of the Korean Ophthalmological Society.2008;49(6):1022-1027. doi:10.3341/jkos.2008.49.6.1022

PURPOSE: To report a suprachoroidal hemorrhage by Valsalva maneuver during vitrectomy under general anesthesia. CASE SUMMARY: A healthy 26-year-old man had vitrectomy under general anesthesia due to rhegmatogenous retinal detachment in his right eye. During scleral indentation and endolaser photocoagulation, he took a sudden and severe bucking reflex because the effect of general anesthesia was insufficient. After the bucking reflex, suprachoroidal hemorrhage occurred in his right eye. Immediate IOP elevation and hyperfluorocarbon tamponade was performed to remove the suprachoroidal hemorrhage and reattach the retina and choroid. The patient's corrected visual acuity was 20/50 and slender crescent shaped choroidal rupture remained around the temporal area of the macula, unlike traumatic choroidal rupture. Following fluorescein angiography, staining was evident at the choroidal rupture site; no fluorescein leakage was evident. CONCLUSIONS: We report a case of acute suprachoroidal hemorrhage which we investigated by fundus examination and fluorescein angiography.
Adult ; Anesthesia, General ; Choroid ; Eye ; Fluorescein ; Fluorescein Angiography ; Hemorrhage ; Humans ; Light Coagulation ; Reflex ; Retina ; Retinal Detachment ; Rupture ; Valsalva Maneuver ; Visual Acuity ; Vitrectomy

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Spontaneous Resolution of Post-Traumatic Bilateral Serous Retinal Detachment in Childrens.

Sang Joon KIM ; Jin Young KIM ; Sung Pyo PARK

Journal of the Korean Ophthalmological Society.2008;49(6):1018-1021. doi:10.3341/jkos.2008.49.6.1018

PURPOSE: We report a case of post.traumatic bilateral serous retinal detachment that resolved spontaneously within a month. CASE SUMMARY: An 8-year-old male patient presented with post-traumatic bilateral serous retinal detachment and decreased visual acuity. We did not perform any specific treatment. Best corrected visual acuity (BCVA), fluorescein angiography (FA), optical coherence tomography (OCT), and slit lamp examination were used. CONCLUSIONS: After 1 month, the patient's BCVA improved to 1.0 in both eyes, and serous retinal detachment resolved; FA findings and OCT findings were nearly normal.
Child ; Eye ; Fluorescein Angiography ; Humans ; Male ; Retinal Detachment ; Retinaldehyde ; Tomography, Optical Coherence ; Visual Acuity

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