2008
DOI: 10.1590/s0034-72802008000200004
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Proposta para uma visão clínica das lentes progressivas

Abstract: RESUMOObjetivos: Estudar as lentes progressivas, à luz da óptica fisiológica, para mostrar os achados obtidos no lensômetro e a sua aplicabilidade na prática diária. Métodos: De pois de explicar a forma de examinar as lentes, foram indicadas as bases físicas que permitiram o estudo, sendo levados em conta as variações do sistema prismático das lentes convexas e côncavas, as diferenças na extensão da zona de progressão e a razão da sua posição diagonal. O estudo foi realizado com 13 pares de lentes de uma mesma… Show more

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Cited by 2 publications
(3 citation statements)
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References 14 publications
(11 reference statements)
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“…The classification of PLs as hard or soft lenses is not very useful for PLs, as they are a middle term between the two types and should only be considered as softer or harder. It should also be emphasised that many current PL models are offered with different designs with varying additions (Multi Design -softer lenses with lower additions, harder lenses with higher additions) (5) . They also have larger vertical corridor sizes with increasing addition, however with disproportionate increases between each of them, showing that this analysis can not be extended to all available additions in every PL.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The classification of PLs as hard or soft lenses is not very useful for PLs, as they are a middle term between the two types and should only be considered as softer or harder. It should also be emphasised that many current PL models are offered with different designs with varying additions (Multi Design -softer lenses with lower additions, harder lenses with higher additions) (5) . They also have larger vertical corridor sizes with increasing addition, however with disproportionate increases between each of them, showing that this analysis can not be extended to all available additions in every PL.…”
Section: Discussionmentioning
confidence: 99%
“…There are several manufacturers of PLs, and about 140 models are available in Brazil; however, little technical information on IA is available to ophthalmologists and opticians. There are few studies on this topic in the literature, most of which are subjective studies based on patient satisfaction (5) . This study assessed PLs with a +2.00 D addition using a lens mapper (Rotlex Class Plus).…”
Section: Introductionmentioning
confidence: 99%
“…Existem vários fabricantes de LP, e mais de 150 modelos estão disponíveis no Brasil, no entanto, poucas informações técnicas sobre os AI são fornecidas aos oftalmologistas e ópticos. Existem poucos es tudos sobre estas informações na literatura mundial, sendo a maioria estudos subjetivos baseados na satisfação dos pacientes (5) . O objetivo deste estudo foi determinar as áreas da visão inter mediária e de perto nas LP em duas adições distintas, por meio de um deflexômetro.…”
Section: Introductionunclassified