New concepts in corneal reshaping [PDF]
The cornea has a great influence in the visual process. However, it is liable to distortion, such as flattening. When this flattening is caused by the use of contact lenses, we call corneal warpage. In this case, some symptoms may occur as blurred vision
Brocchetto, Daniela Coneglian [UNIFESP] +2 more
core +3 more sources
Therapeutic refractive surgery: why we should differentiate? [PDF]
Universidade Federal de São Paulo (UNIFESP)Pontifícia Universidade Católica do Rio de ...
Ambrósio, Renato
core +2 more sources
Comparison between the postoperative results of triple procedure and combined penetrating keratoplasty/ transsclerally sutured posterior chamber lens implantation [PDF]
PURPOSE: To compare the outcomes of two surgical techniques of penetrating keratoplasty with different surgical time, regarding the crystalline and the intraocular lens.
Leão, Daniela Maggioni Pereira +1 more
core +2 more sources
Corneal transplantation in keratoconus: evaluation of results and complications obtained by skillful and surgeons in training [PDF]
PURPOSE: Refractive and visual analysis in corneal transplantations performed for keratoconus by two groups of surgeons. METHODS: Seventy eyes of seventy patients, which had been submitted to penetrating keratoplasty (PK) for keratoconus, were examined ...
Hofling-Lima, Ana Luisa +3 more
core +3 more sources
Permutabilidade entre o disco de Plácido e o sistema Scheimpflug: análise quantitativa e qualitativa [PDF]
PURPOSE: Many systems try to replace Placido disc-based topographers, such as those based in Scheimpflug principles. The purpose of this study is to check if they are interchangeable. METHODS: Quantitative analysis evaluated data obtained from EyeSys and
Mallmann, Felipe +3 more
core +3 more sources
Preliminary results of an algorithm for customized soft contact lens ablation [PDF]
OBJETIVO: Desenvolver simulação computadorizada de ablação para produzir lentes de contato personalizadas a fim de corrigir aberrações de alta ordem.
CARVALHO, Luis Alberto Vieira de +1 more
core +3 more sources
Variation of visual acuity in young patients with ectopia lentis submitted to surgery [PDF]
PURPOSE: To assess the results as to visual acuity of two different surgical procedures for ectopia lentis. METHODS: Fifty-one eyes of 28 patients (16 males and 12 females, mean age 16.00± 8.5) with simple (19 cases) or Marfan syndrome-associated (9 ...
Abujamra, Suel +3 more
core +4 more sources
Intrastromal corneal ring for low myopia: a comparative study with LASIK [PDF]
PURPOSE: To evaluate the efficacy and safety of intrastromal corneal ring segments (ICRS) for the correction of low myopia, and to compare the obtained results with a control group submitted to laser in situ keratomileusis (LASIK).
Belfort, Rubens Junior +3 more
core +3 more sources
Contact lens fitting after refractive surgery [PDF]
PURPOSE: To evaluate the fitting and use of contact lens in patients submitted to refractive surgery. METHODS: This was a retrospective study in 53 patients submitted to refractive surgery who later started to use contact lens, from 1999 to 2003.
Lipener, César +1 more
core +3 more sources
Avanço tecnológico da cirúrgia refrativa nos distúrbios refracionais [PDF]
As falhas refrativas da visão são decorrentes de alterações no tamanho do olho ou no formato da córnea ou cristalino, assim os raios de luz não conseguem ser focados na retina, levando a uma alteração da imagem.
Carvalho, Emily Arantes Costa +7 more
core +1 more source

