Change of Values of Intraocular Pressures Measurements after Laser In Situ Keratomileusis

There have been reports of a reductioin in the intraocular pressure(IOP) measured with the Goldmann applanation tonometer(GAT) in eyes that have undergone excimer laser photorefractive keratectomy(PRK). The authors determined whether laser in-situ keratomileusis(LASIK) for myopia also affected GAT readings. The IOP was measured with the GAT before LASIK and 1 and 3 months postoperatively on 45 eyes of 30 patients. Measurements were performed at the central and temporal parts of the cornea; the paired Student`s t test was used for statistical analysis. The mean preoperative IOPs at the central and peripheral cornea were 13.2+/-2.5mmHg and 13.2+/-2.5mmHg, respectively. Three month after LASIK, IOPs at the central and peripheral cornea decreased to 8.9+/-1.8mmHg and 12.3+/-2.3mmHg, respectively. Similar to PRK, the GAT readings from the central cornea after LASIK for myopia were significantly lower than the preoperative IOPs(P<0.001) and the postoperative GAT readings from the peripheral cornea(p<0.001).

A Case of Neuromyelitis Optica in Children

Neuromyelitis optica (Devic`s syndrome) is a rare demyelinating disorder of unknown etiology in which unilateral or bilateral optic neuritis and transverse myelitis occur within an 8-week time interval. It is 8 disorder that occurs more common in children than in adults. The prognosis is better in children than in adults. The authors experienced 8 case of neuromyelitis optica in a 5-year-old female who developed acute visual loss of the left eye, sensory loss below the 4th thoracic derinatoine, paraplegia, fever and nuchal ridigity ; all following viral prodromes. We diagnosed this case through neurologic features, magnetic resonance imaging, and cerebrospinal fluid findings. She has irnproved without any specific treatment.

A Case of Cyclodialysis Cleft Treated with Argon Laser Photocoagulation

Cyclodialysis with hypotony is defined as a rare disorder that meridional ciliary muscle is disinserted from its attachment at the scleral spur due to trauma or intraocula surgery such as extracapsular cataract extraction with or without intraocular lens implantation, iridectomy, and etc. Its managements include conservative therapy with cycloplegics, and surgical treatment such as argon laser photocoagulation, cyclopexy, and diathermy. The authors diagnosed cyclodialysis cleft by observing clinical features and finding of the cleft in the anterior chamber angle with gonioscopy. The cyclodialysis cleft with hypotony has been treated with argon laser photocoagulation into the cleft area.