Wavefront Analisys and Contrast Sensitivity of Spherical and Aspherical Intraocular Lenses

Federal University of São Paulo

Status and phase: Completed; Phase 4

Conditions: Pseudophakia; Cataract

Treatments: Procedure: phacoemulsification (cataract surgery)

Study type: Interventional

Funder types: Other

Identifiers

NCT00347243

CEP012/06

Details and patient eligibility

About

Purpose:To compare visual performance, total and high order wavefront aberrations (coma, spherical aberration and other terms) and contrast sensitivity in eyes implanted with one monofocal aspheric intraocular lens (IOL) and two spherical IOLs (SofPort AO, Soflex,AcrySof®IQ (40 eyes), AcrySof®Natural and AMO®Sensar)

Sex: All

Ages: 50 to 80 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Patients with bilateral visually significant senile cataract, corneal astigmatism less than 2.0 diopters and potential acuity meter (PAM) better than 0.2 LogMar

Exclusion criteria

• any other ocular diseases, such as corneal opacities or irregularity, dry eye, amblyopia, anisometropia, glaucoma, retinal abnormalities, surgical complications, IOL tilt, decentration (estimated by retro illumination and digital photo) greater than 0.4mm13 or loss of follow-up

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Double Blind