PURPOSE: To evaluate the effect of botulinum toxin A and crotoxin on satellite cell activation in the muscle fibers of superior rectus muscles of rabbits. METHODS: The superior rectus muscles in the right eyes of 29 male, albino, New Zealand rabbits were inoculated with different doses of botulinum toxin A or crotoxin. The contra-lateral superior rectus muscles in each rabbit were inoculated with the same volume of saline solution only. The animals were sacrificed either 12, 18 or 25 days […]

PURPOSE: To evaluate the alterations that occur on the cornea sensitivity after Lasik and PRK surgery. METHODS: Prospective studies have evaluated60 eyes from 30 patients subjected simultaneously to bilateral Lasik and 30 eyes from 15 patients subjected simultaneously to bilateral PRK. According to the amount of inner operatory ablation the eyes were divided into two groups: Group I (< 40 µm) and group II (> 40µm). The cornea sensitivity was measured in the central region of the cornea on the […]

PURPOSE: evaluate the results of a case series of iris-sutured posterior chamber IOLs for the correction of aphakia in the cataract sector of the department of Ophthalmology of the ABC School of Medicine and compare them with the existing data. METHODS: prospective study of eight patients who underwent foldable IOL implantation using modified McCannel iris suture fixation for aphakia in the absence of capsule support. RESULTS: seven of eight patients (87,5%) without surgical complications improved their best corrected visual acuity. […]

OBJECTIVE: To evaluate the applicability of the ophthalmia neonatorum prophylaxis in five maternities obstetric services of Greater Florianopolis, Brazil; during march 2007. METHODS: Five maternities obstetric services of Greater Florianopolis were visited and questioned about the method carried through in the prevention of the ON, the cost for unit of used eye drops unit, the knowledge of the Credé method and the current legislation. RESULTS: The prophylactic solutions used were povidone-iodine 2.5% and silver vitelinate 10%. The use of silver […]

The ultrasound is an important method in the evaluation of abnormalities of the posterior segment of the eye. PURPOSE: To compare the advantages and disadvantages of 10 and 20 MHz probe on B- scanning ultra-sonography in evaluation of vitreous and posterior pole diseases, providing recommendations for their use. METHODS: Patients from Hospital das Clinicas of the University of São Paulo (HC-FMUSP), attended between February 2006 and April 2007, were submitted to ultrasound exams using CINE-Scan® (Quantel Medical Inc) B-scan with […]

Purpose: Comparison of the skill to teach the direct ophthalmoscopy class supported by fellows of medical graduation course using two examination methods: conventional ophthalmoscope and wide field ophthalmoscope (panoptic). Methods: Assessment of the competence to learn using a survey after eye fundus examination with conventional ophthalmoscope and wide field ophthalmoscope (panoptic). The group searched was composed of 60 students of university medical graduation course. The survey was applied during the first and eighth week of ophthalmogical class of medical graduation. […]

Objective: To estimate the prevalence of ocular infection by Chlamydia trachomatis in conjuctival material, from january 2004 to june 2007 at Genetic and Molecular Biology Laboratory from Florianópolis Metropolitan area, SC. Methods: A cross-sectional and descriptive study involving all cases of conjunctivitis using the database of Genetic and Molecular biology Laboratory (DNAanálises) recorded in the period from january 2004 to june 2007 was carried out. The positivity to C. trachomatis in conjunctival material was observed. Results: A total of 660 […]

Purpose: To compare the ultrasound biometry measurements between immersion and contact techniques. Methods: The biometry was made in 60 eyes by the same examiner, using the contact and immersion techniques in each eye. Results: The lower mean axial length (23,16 mm) was found in the contact technique, and the greater (23,29) was found in the immersion technique, using the same probe. The lower mean standard deviation between recurrent measures in the same eye was found in the immersion technique, and […]