Resultado visual comparativo entre dois aparelhos de excimer laser: Summit Apex Plus e Aesculap-Meditec Mel 70 em cirurgia de miopia e astigmatismo

Resultado visual comparativo entre dois aparelhos de excimer laser: Summit Apex Plus e Aesculap-Meditec Mel 70 em cirurgia de miopia e astigmatismo

Alternative title Summit Apex Plus versus Aesculap-Meditec Mel 70 in the treatment of myopia and astigmatism
Author Fernandes, Marcia Domingues Autor UNIFESP Google Scholar
Sartori, Marta Autor UNIFESP Google Scholar
Campos, Mauro Silveira de Queiroz Autor UNIFESP Google Scholar
Institution Universidade Federal de São Paulo (UNIFESP)
Abstract PURPOSE: To compare the visual result in consecutive case series between two different excimer laser equipments in LASIK for myopia and astigmatism. METHODS: We analyzed the results of lasik of 11 eyes of 11 patients with myopia ranging from -0.50 to -11.25 and astigmatism from -0.50 to -4.25 who were submitted to Summit Apex Plus and 11 eyes of 11 patients with myopia ranging from -0.50 to -8.75 and astigmatism from -0.50 to -4.75 submitted to Meditec-Aesculap Mel 70.The follow-up was 1, 3 and 12 months. RESULTS: Preoperatively the mean spherical equivalent was -4.75 for Summit and -4.8 for Mel 70. At 1, 3 and 12 months after surgery, the residual error for the Summit group was 0.54; 0.58 and 0.014 and for the Mel 70 group it was 0.02; 0.04 and -0.43. There were no statistically significant differences between two excimer laser equipments regarding: spherical equivalent (SE), uncorrected visual acuity (UCVA), best-corrected visual acuity (BCVA) pre- and postoperatively. One year after surgery 90.9% presented BCVA =20/20 for Summit and 73% for Mel 70, 81.8% had UCVA =20/20 for Summit and 45.5% for Mel 70. The final mean postoperative SE was 73% within ±1.00 D for Summit and 82% within ±1,00 D for Mel 70. Loss of one or two lines BCVA was 9% for Summit and 27.3% for Mel 70. Complications: 9% cases of diffuse lamellar keratitis and 45.5% of epithelial ingrowth for Mel 70. DISCUSSION: Both Summit Apex Plus and Meditec-Aesculap Mel 70 were found to be similar, safe and efficient for the correction of myopia and astigmatism.

OBJETIVO: Comparar o resultado visual de uma série de casos de LASIK para correção de miopia e astigmatismo utilizando dois aparelhos de excimer laser de diferentes fabricantes. MÉTODOS: Foram estudados 22 olhos de 11 pacientes com miopia de -0,50 a -11,25 e astigmatismo de -0,50 a -4,75 no período de março de 2000 a julho de 2001. Os pacientes realizaram LASIK num olho com o excimer laser da Summit Apex Plus e no olho contralateral com o excimer laser Mel 70 (Aesculap-Meditec). RESULTADOS: A média do equivalente esférico (EE) pré-operatório foi de -4,74 no Summit, -4,8 no Mel 70, do pós-operatório de 1, 3, e12 meses foi 0,54; 0,58 e 0,014 no Summit e 0,02; 0,04 e -0,43 no Mel 70. Não houve diferença estatística significante entre eles em relação à acuidade visual sem correção (AVSC), acuidade visual com correção (AVCC), equivalente esférico (EE) nos tempos pré e pós-operatórios. Após 12 meses, 90,9% ficaram com AVCC=20/20 no Summit e 73% no Mel 70, 81,8% com AVSC =20/20 no Summit e 45,5% no Mel 70. Em relação ao EE aos 12 meses, 73% no Summit ficaram entre ±1,00D e 82% no Mel 70. Em relação à perda de 1 ou mais linhas tivemos 27,3% no Mel 70 e 9% no Summit. Complicações: 9% (2) casos de ceratite difusa lamelar e 45,5% de fibrose leve da borda do flap no Mel 70 em 1 ano de pós-operatório. CONCLUSÃO: Consideramos os 2 lasers eficientes e seguros para o tratamento de miopia e astigmatismo.
Keywords Myopia
Astigmatism
Keratomileusis, laser in situ
Comparative study
Miopia
Astigmatismo
Estudo comparativo
Keratomileusis in situ assistida por excimer laser
Language Portuguese
Date 2003-10-01
Published in Arquivos Brasileiros de Oftalmologia. Conselho Brasileiro de Oftalmologia, v. 66, n. 5, p. 635-657, 2003.
ISSN 0004-2749 (Sherpa/Romeo)
Publisher Conselho Brasileiro de Oftalmologia
Extent 635-657
Origin http://dx.doi.org/10.1590/S0004-27492003000500020
Access rights Open access Open Access
Type Article
SciELO ID S0004-27492003000500020 (statistics in SciELO)
URI http://repositorio.unifesp.br/handle/11600/1859

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