No abstract available.
Nylons* ; Ocular Hypotension* ; Stents*

Cataract operation was carried out in 7 glaucomatous eyes with prolonged ocular hypotony after trageculectomy with intraoperative mitomycin C. In all cases, The postoperative intraocular pressure(IOP) rose and the postopeative average IOP was 6.0+/-2.0mmHg higher than their preoperative average IOP. The preexisting bleb was reduced in size eyes that underwent phacoemulsification and posterior chamber intraocular lens(PC-IOL) implantation. But. It was not changed in extracapsular cataract extraction and IOL implantation. In our study, cataract operation in eyes that had lens opacity with prolonged hypotony induced IOP rise and was beneficial to hypotony.
Blister ; Cataract Extraction ; Cataract* ; Mitomycin* ; Ocular Hypotension* ; Phacoemulsification ; Trabeculectomy*

The authors have experienced a case of long standing ocular hypotony following filtering operation (sclero-iridectomy) for chronic open angle glaucoma. The patient was 29 years old male who visited our hospital becouse of visual disturbance, haloes vision and mild headache on left eye. We described some of the characteristic clinical findings of ocular hypotony with brief review of the related literatures.
Adult ; Glaucoma, Open-Angle* ; Headache ; Humans ; Male ; Ocular Hypotension*

OBJECTIVE: Since cataract and glaucoma often coexist, and there is no agreement as to their optimal management, a review of the surgical strategies for coexisting I cataract and glaucoma is necessary. The latest evidence-based findings from various studies are presented. METHODS: A literature search of the latest full articles (up to September 2006) was conducted on the surgical management of coexisting cataract and glaucoma. The results of the 2001 Johns Hopkins milestone study were also included for analysis and comparison. RESULTS: Evidence is strong that trabeculectomy is associated with increased risk of postoperative cataract. Though cataract surgery alone may be appropriate for some glaucoma patients, combined cataract and glaucoma surgery lower long-term intraocular pressure (IOP) more than cataract extraction alone. Use of intraoperative mitomycin-C is beneficial in combined surgery. Limbu and fornix-based conjunctival flaps are equally effective for lowering IOP combined surgery. Trabeculectomy alone lowers long-term IOP more tha combined extracapsular cataract extraction (ECCE) and trabeculectomy. Evidence is weak that combined surgery with phacoemulsification rather than ECCE results in lower long-term IOP, as does two-site compared to single-site combined surgery. CONCLUSION: The literature does not point to an optimal strategy for controlling in patients with coexisting cataract and glaucoma needing surgery. There is a continued need for high-quality studies of longer duration and more information on the optic nerve and visual field.
GLAUCOMA ; CATARACT ; INTRAOCULAR PRESSURE ; OCULAR HYPERTENSION ; OCULAR HYPOTENSION ; SURGERY ; PHACOEMULSIFICATION ; TRABECULECTOMY

After ocular contusion the ocular tension is unstable and may show considerable variation, sometimes being raised, sometimes lowered. But ocular contusion is one of the commonest causes of ocular hypotension, which may be dramatic and indeed, may be the dominant factor in determining the fate of the eye. The lowering ocular tension is slowly attaining its normal height after some variation, that this instability is frequently shared by the uninjured fellow eye. We had experienced a fall in tension-ocular hypotension as 0 mm.Hg. lasting for 13 day by ocular contusion, which was associated with mild anterior uveitis, Descemet's membrane tear, localized angle recession and hypotonic retinal changes, and shared lower ocular tension by the uninjured eye, as l4.6 mmHg. All these acute ocular hypotensive symptoms and signs were recovered 27 days after contusion, but mild Descemet's scar and angle recession with peripheral anterior synechia were remained. The final IOP in both eyes was 18.3 mmHg, and the visual acuity was 20/20.
Cicatrix ; Contusions* ; Descemet Membrane ; Hypotension ; Intraocular Pressure ; Ocular Hypotension* ; Retinaldehyde ; Uveitis, Anterior ; Visual Acuity

PURPOSE: To examine the influence of irradiation methods on the long-term results of contact transscleral Nd:YAG laser cyclophotocoagulation and to evaluate the factors that affect changes in intraocular pressure (IOP) and occurrence of ocular hypotony after cyclophotocoagulation. METHODS: In this retrospective study, 36 refractory glaucomatous eyes of 36 patients were observed for at least one year after a cyclophotocoagulation procedure. Contact transscleral Nd:YAG laser cyclophotocoagulation was performed with 7 to 10 Watts of power, a duration of 0.7 seconds, with one or two rows, and ranges of either greater or less than 180 degrees. The change in IOP, the success rate of the procedure, and the occurrence rate of hypotony were analyzed with regard to the methods of cyclophotocoagulation. RESULTS: In this series of patients with refractory glaucoma, the final IOP and success rate were not significantly influenced by the laser application method or by the total energy used. The eyes with ocular hypotony showed significantly decreased IOP one year after cyclophotocoagulation when compared with eyes without ocular hypotony. The IOP percent reduction in the patients with ocular hypotony tended to decrease more rapidly than did that of the patients without hypotony, beginning three months after the operation. CONCLUSIONS: The application methods of cyclophotocoagulation appear to have no significant influence on success rate, IOP or ocular hypotony rate. The percent reduction in IOP was higher in the hypotony group, including during the early postoperative periods.
Eye ; Glaucoma ; Humans ; Intraocular Pressure ; Ocular Hypotension ; Postoperative Period ; Retrospective Studies

Ocular perforation during retinal reattachment surgery is very uncommon intraoperative complication.If globe rupture occurs, intraocular fluid leakage, ocular hypotony, and vitreous hemorrhage follow. Authors made an intraoperative ocular perforation inadvertently by scleral depressor on our patient who had a recurrent retinal detachment on his right eye. However, immediate scleral suture of the ruptured wound and balanced salt solution injection by pars plana route, and effective scleral exoplant maintained his retina anatomically flat. So, we present the case with a brief literatures review.
Aqueous Humor ; Humans ; Ocular Hypotension ; Retina ; Retinal Detachment* ; Retinaldehyde* ; Rupture ; Sutures ; Vitreous Hemorrhage ; Wounds and Injuries

PURPOSE: To report a case of chronic hypotony maculopathy caused by traumatic cyclodialysis cleft and treated with 20% sulfur hexafluoride (SF6) gas tamponade with cyclocryotherapy. CASE SUMMARY: A 39-year-old woman with a history of blunt trauma developed a unilateral chronic ocular hypotony in her left eye. She was treated with topical atropine sulphate 1% for 2 months. Three years later, she was referred to our clinic for evaluation and treatment of persistent hypotony. The intraocular pressure (IOP) was 4 mm Hg and the best corrected visual acuity was 0.4. B-scan echography revealed a choroidal effusion and fundus examination showed choroidal detachment and macular folds. Gonioscopy examination revealed cyclodialysis cleft from the direction of 7 o'clock to 11 o'clock. A single bubble of SF6 20% (0.4 cc) was injected into the vitreous cavity and transconjunctival cyclocryotherapy was performed under retrobulbar anesthesia. Six months later, the IOP was 12 mm Hg and the best corrected visual acuity was 1.0. B-scan echograpy and fundus examination showed the disappearance of the choroidal effusion. CONCLUSIONS: Gas tamponade with cyclocryotherapy may be useful in cases of cyclodialysis cleft that failed to respond to medical therapy.
Adult ; Anesthesia ; Atropine ; Choroid ; Eye ; Female ; Gonioscopy ; Humans ; Intraocular Pressure ; Ocular Hypotension ; Sulfur Hexafluoride ; Visual Acuity

PURPOSE: To report a case of a recurrent macular hemorrhage that developed after surgical removal of the internal limiting membrane (ILM) for subintimal hemorrhage due to retinal macroaneurysm. CASE SUMMARY: A 75-year-old female was admitted to the hospital complaining of decreased vision in the left eye which had started 3 weeks previously. The best corrected visual acuity (BCVA) of the right and left eye was 0.7 and 0.03, respectively. The intraocular pressure (IOP) of the right and left eye was 10 mm Hg and 12 mm Hg, respectively. On the fundus examination, macular preretinal and subretinal hemorrhage was observed and a diagnosis of retinal arterial macroaneurym of the inferonasal major artery was made. Vitrectomy was performed. After indocyanine green dye staining, the sub-ILM hemorrhage was treated with removal of the ILM. At postoperative day 3, the annular chorioretinal folds were observed due to the hypotony (4 mm Hg). However, the absence of leakage was confirmed through the sclerotomy site. At postoperative day 8, recurrent submacular hemorrhage occurred and the hemorrhage was observed to have spread after intravitreal C3F8 gas injection and when the patient was placed in the prone position. At postoperative 4 months, the hemorrhage that had invaded the macular area was completely resolved. The BCVA was 0.3, respectively. CONCLUSIONS: When removing a sub-ILM hemorrhage due to retinal macroaneurysm, recurrent hemorrhage can occur especially in a patient with ocular hypotony, as in the present case report. Physicians should be aware of this possibility and the proper treatment the condition requires.
Aged ; Arteries ; Eye ; Female ; Hemorrhage ; Humans ; Indocyanine Green ; Intraocular Pressure ; Membranes ; Ocular Hypotension ; Prone Position ; Retinaldehyde ; Vision, Ocular ; Visual Acuity ; Vitrectomy

We studied the efficacy of laser suture lysis in the promotion of filtration and bleb formation during the early postoperative period after trabeculectomy. Laser suture lysis was performed on thirty-two eyes of thirty patients considered overtight scleral flap suture among patients who underwent trabeculectomy with mitomycin-C, using an argon laser and a Hoskins lens. Patients were entered into the study if, after ocular massage, the intraocular pressure(IOP) was greater than our target pressure(8-12mmHg) 48 Hours after surgery, deep quiet anterior chamber, weak or no bleb formation, no bleb leakage, and a patent internal ostium on gonioscopy. Intraocular pressure measured within 5 minutes of lysis and gentle ocular massage was employed if there was no sopontaneous bleb formation. A further suture was lysed if at this stage there was still no bleb associated with a high IOP. Suture lysis was successful in all cases in the early postoperativy period. The mean IOP before lysis was 22.1mmHg and after serial lysis 9.8mmHg. Complications were noted with laser suture lysis: shallowing of anterior chamber, ocular hypotony, sunconjunctival hemorrhage, hyphema and cataract. All resolved with appropriate management. Laser suture lysis is a safe, effective, and non-invasive method, It can avoid surgical manipulation and increase long term success rate of trabeculectomy.
Anterior Chamber ; Argon ; Blister ; Cataract ; Filtration ; Gonioscopy ; Hemorrhage ; Humans ; Hyphema ; Intraocular Pressure ; Massage ; Mitomycin ; Ocular Hypotension ; Postoperative Period ; Sutures* ; Trabeculectomy*