PURPOSE To describe a case of an orbito-nasal cyst in a cat. PROCEDURE An 18-month-old male European short-haired cat was presented to the Ophthalmology service of the Vetsuisse Faculty, University of Zurich for a subcutaneous swelling in the medial canthal region of the right eye (OD). Ophthalmologic, ultrasound and CT examinations, and fine needle aspiration were performed. After lesion exc...

Anterior encephaloceles have been extensively reported and classified. Most have occurred at the juncture of the anterior part of the sphenoid with the pars orbitalis of the frontal bone. This corresponds to the region of either the crista galli or the cribriform plate. Encephaloceles in this location are seen in the region of the glabella, medial orbit, or in the nasal cavity or nasopharnyx an...

Background. Spontaneous orbital haemorrhage is a very rare condition and vision-threatening event. It may occur due to trauma, orbital surgery/injections, orbital vascular anomalies, and a variety of systemic predisposing factors. Signs of retrobulbar hemorrhage include proptosis, ophthalmoplegia, increased intraocular pressure, loss of pupillary reflexes, and optic disc or retinal pallor. Both...

Objective: To report an aggressive case of extranodal natural killer/T-cell lymphoma (NKTCL) of the ethmoid sinus presenting as orbital cellulitis Method: Case report Results: A 56-year-old male presented with right eye redness, reduced vision, and periorbital swelling for 5 weeks duration associated with a two-month history of blocked nose. The visual acuity of the right eye was 6/18. The eye ...

We report on near normal far- and mid-infrared emission and reflectivity of NdMnO3 perovskite from room temperature to sample decomposition above 1800 K. At 300 K the number of infrared active phonons is in close agreement with the 25 calculated for the orthorhombic D(2h)(16)-Pbnm (Z = 4) space group. Their number gradually decreases as we approach the temperature of orbital disorder at ~1023 K...

OBJECTIVE To assess the long-term clinical and radiologic findings after insertion of a bioresorbable polylactide plates P(L/DL)LA 70/30 implant (PolyMax) in the repair of orbital floor and wall defects, with special focus on stability and clinical signs of foreign-body reaction. METHODS Forty-six patients who had orbital blowout fractures with at least 1.5-cm(2) bone defects in 1 or 2 walls ...

Case 1 Patient A. O., an 8-year-old school pupil presented to the Eye Clinic of the University College Hospital, Ibadan with a 3 year history of gradual painless protrusion of the left eye. She lost vision in the eye 4 months before presentation. The general examination was normal. No features of neurofi bromatosis were found. The visual acuity were 6/5 and NLP in the right and left eyes respec...

AIM To treat orbital lymphangioma with an intralesional injection of OK-432 (group A Streptococcus pyogenes of human origin). METHOD A 14 year old boy had a right orbital cystic lymphangioma. The visual acuity in the eye was 20/28. In an initial treatment, 0.02 mg of OK-432, was injected into the tumour after aspiration of the fluid contents, but no effect was seen. The second treatment was p...

BACKGROUND AND OBJECTIVE To investigate the incidence and outcome of optic neuropathy associated with thyroid-related orbitopathy. PATIENTS AND METHODS All patients diagnosed as having optic neuropathy associated with thyroid-related orbitopathy who underwent treatment for optic neuropathy between January 1, 1999, and March 1, 2003, were reviewed. Demographic and clinical data were extracted ...

We consider for the first time the solutions of Klein-Gordon equation in gravitational field of a massive point source in GR. We examine numerically the basic bounded quantum state and the next few states in the discrete spectrum for different values of the orbital momentum. A novel feature of the solutions under consideration is the essential dependence if their physical properties on the grav...