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Results for “Ophthalmologic Surgical Procedures”

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At least 19 recordsLinked to original sources
PubMedDate not supplied

[Amniotic membrane utilization in ophthalmological surgical procedures].

The amniotic membrane, which is the innermost layer of the fetal membranes, is composed of a single layer of epithelial cells that lie on a basement membrane, and of a non-vascular collagenous stroma. These three components give the amniotic membrane its beneficial properties. The first therapeutic application of the amniotic membrane was in 1910, when it was used in skin transplantation. Thereafter, it was used in surgical procedures related to the abdomen, genitourinary tract and to the head and neck. In ophthalmology, De Roth, in 1940, was the first to use the amniotic membrane for conjunctival reconstruction. However, it was only in 1995 that publications on the subject started appearing again, when Tseng and many others began using the amniotic membrane again in the treatment of ocular surface (cornea and conjunctiva) diseases. In cases of total stem cell deficiency, amniotic membrane transplantation has been shown to be very useful when used in conjunction with limbal autografts or allografts. At this stage, however, further studies are needed to elucidate the real potential of the amniotic membrane in the treatment of different ocular surface (and other) disorders, and its exact mechanism(s) of action. This will help establish the applications of such treatment in medicine, in general, and in ophthalmology, in particular.

Amnion↗
PubMed1998

Real-time telementoring in ophthalmology.

PURPOSE: To determine if current telemedicine technology can support real-time telementoring to teach ophthalmologic surgical procedures in remote areas. METHOD: Using an integrated systems digital network (ISDN) line conveying information at a rate of 128 kbps, an endoscopic laser-assisted dacryocystorhinostomy (ELA-DCR) procedure was transmitted in real time from the Saint Francis Medical Center in Honolulu, Hawaii, to ophthalmologists at the Makati Medical Center in Manila, Philippines, more than 5000 miles away. Live surgical and endoscopic images were sent real time with explanations by the surgeon and with interactive questions and answers during and after the procedure. RESULTS: The ELA-DCR procedure was transmitted in real time from Honolulu to more than 100 ophthalmologists at the Makati Medical Center in the Philippines. CONCLUSION: Current technology in telemedicine can support the use of real-time surgical telementoring to teach complex ophthalmologic procedures.

Computer Communication Networks↗
PubMed2005

Minimally invasive orbital decompression: local anesthesia and hand-carved bone.

OBJECTIVE: To investigate the safety and efficacy of a conservative orbital decompression using sharp-curette bony decompression and intraconal fat debulking through a transconjunctival incision in patients with thyroid-related orbitopathy and mild to moderate proptosis. DESIGN: Retrospective, noncomparative, interventional case series. PARTICIPANTS AND METHODS: Data from all patients undergoing minimal orbital decompression at the Jules Stein Eye Institute, Los Angeles, Calif, over a period of 4(1/4) years were collected and analyzed. Data included visual acuity, exophthalmometry measurements, intraocular pressure, complete slitlamp examination results, ocular ductions, new-onset primary or downgaze diplopia, and patient satisfaction. Conservative decompression was performed through a transconjunctival incision using a manual curette and by removing cortical bone from the zygomatic marrow space on the anterior rim of the inferior orbital fissure; intraconal fat was bluntly dissected and excised or suctioned with a Frasier tip aspirator. MAIN OUTCOME MEASURES: Patient perception of pressure pain and ocular discomfort, proptosis, visual acuity, intraocular pressure, postoperative complications, and new-onset primary or downgaze diplopia. RESULTS: Eighty minimally invasive orbital decompression surgeries were performed in 48 patients (6 male, 42 female). Six surgeries (4 patients) were performed for prominent globes with relative proptosis and no thyroid-related orbitopathy (non-Graves proptosis). All patients had improvement in congestive orbitopathy and pressure pain associated with thyroid-related orbitopathy. Exophthalmos decreased by a mean +/- SD of 2.4 +/- 2.6 mm from 22.7 +/- 2.5 mm (range, 17-29 mm) to 20.3 +/- 2.3 mm (range, 14-25 mm) (P<.001 [95% confidence interval, 1.8-3.0]). Mean visual acuity improved after surgery (P = .02). One patient (2.1%) developed postoperative primary or downgaze diplopia; he underwent successful eye muscle surgery at a later stage. No complications were associated with orbital decompression. CONCLUSIONS: Minimally invasive orbital decompression surgery with intraconal fat debulking in this group of patients was effective in proptosis reduction; improvement in subjective pressure pain and high patient satisfaction were noticed. Surgery was associated with a low rate (2.1%) of new-onset primary or downgaze diplopia. Proptosis reduction using a graded approach accounting for 4 mm of retrodisplacement was achieved.

Adipose Tissue↗
PubMed1958

A suturing spatula.

Explore the source record for details and available documents.

Cataract Extraction↗
PubMed1985

The Honan intraocular pressure reducer. An experimental study.

Although use of the Honan intraocular pressure reducer is believed to be clinically safe and effective in reducing IOP and the risk of vitreous loss, the IOPs achieved during application of the device have not been directly measured. Intraocular pressure dynamics in ten eyes of five patients were measured shortly after death, using a pressure transducer within the anterior chamber as the Honan device was applied. Pressures were measured again after enucleation. The peak IOPs produced in eyes in situ were much lower than in the same eyes after enucleation. The peak IOP increased as the initial IOP was raised. The Honan device would appear to be safe for eyes undergoing routine anterior segment surgery, but the pressures that may be generated in hypertensive eyes (IOP greater than or equal to 35 mm Hg) might put these eyes at risk for vascular occlusion.

Adult↗