Results 11 to 20 of about 1,043 (121)
Wavefronts and the limits of human vision Part 2: applications [PDF]
, 2002 The mean values for all the Zernike coefficients are approximately zero, while the individual variability is very high, what means that humans as a species in general have a very good optical system, though individually imperfect.
Chamon, Wallace +4 more
core +2 more sources
Comparação entre dois sistemas de análise de topografia corneana
Revista Brasileira de Oftalmologia, 2012 OBJETIVO: Comparar os dados topográficos de pacientes com ceratocone entre os sistemas de avaliação: Orbscan IIz® (Bausch & Lomb, Rochester, New York, USA) e Wavetek Chroma®.
Joyce Kuntz +5 more
doaj +1 more source
Wavefronts and the limits of human vision Part 1: fundamentals [PDF]
, 2002 Light spreads out uniformly at the same speed in all directions. Its position at any given moment is a sphere that connects all the corresponding phase points, having the source at its center.
Chamon, Wallace +4 more
core +2 more sources
Revista Brasileira de Oftalmologia, 2011 OBJETIVO: Correlacionar área do disco óptico com parâmetros geométricos e biomecânicos da córnea. MÉTODOS: Estudo retrospectivo nos arquivos de pacientes do Instituto de Olhos Renato Ambrósio a fim de se identificar os pacientes que realizaram exames HRT
Renata Siqueira da Silva +5 more
doaj +1 more source
Posterior amorphous corneal dystrophy: case report [PDF]
, 2006 The purpose of this paper is to warn the ophthalmologist about the possibility of facing rare cases of corneal dystrophies. Clinical findings of a case of posterior amorphous dystrophy were correlated with refraction, topography, and ultrasound ...
Freitas, Denise de +3 more
core +2 more sources
Limbal relaxing incision or the more curved meridian incision associated to phacoemulsification with multifocal intraocular lens implant: three case reports [PDF]
, 2008 O implante de lentes intra-oculares (LIOs) multifocais é um grande avanço na reabilitação de pacientes permitindo boa acuidade visual sem correção óptica para longe e perto.
FACIO JÚNIOR, Antonio Carlos +6 more
core +2 more sources
Refractive changes following surgery for correction of esotropia [PDF]
, 2001 Purpose: To evaluate changes in refraction and corneal curvature following surgery for correction of acquired esotropia. Methods: 42 eyes of 21 patients with acquired moderate angle esotropia without any other form of strabismus were prospectively ...
Gomes, José Álvaro Pereira +2 more
core +4 more sources
Diagnóstico do ceratocone: um artigo de revisão [PDF]
Revista Brasileira de OftalmologiaResumo Objetivo: Realizar uma revisão sobre o diagnóstico do ceratocone, com enfoque nos métodos propedêuticos disponíveis. Métodos: Foi realizada uma pesquisa no banco de dados PubMed com as palavras chave: Keratoconus, diagnosis, topography e ...
Guilherme Simões Luz Hilgert +7 more
doaj +3 more sources
A comparison of two conjunctival rotation autograft techniques in primary pterygium surgery. [PDF]
, 2017 PURPOSE: To compare the effects of 90° and 180° conjunctival rotational autograft (CRA) techniques used in primary pterygium surgery. METHODS: Forty-five patients were included in this retrospective study. Visual acuity (VA), corneal topography, and auto-
Aksoy, Umit +7 more
core +2 more sources
Importância da radiofrequência na oftalmologia
Revista Brasileira de Oftalmologia, 2013 Este trabalho revisa e faz uma análise crítica da radiofrequência em oftalmologia. O aquecimento da córnea tem sido realizado desde 1889 com diferentes finalidades terapêuticas e cirúrgicas.
José Ricardo Carvalho Lima Rehder +2 more
doaj +1 more source