Use of Toric Intraocular Lens to Neutralize Keratometric Astigmatism

Asociación para Evitar la Ceguera en México

Status: Terminated

Conditions: Cataract; Astigmatism

Treatments: Procedure: Acrysof Toric one-piece intraocular lens

Study type: Interventional

Funder types: Other

Identifiers

NCT00925886

07-01

Details and patient eligibility

About

The purpose of this study is to evaluate neutralization of keratometric astigmatism in patients with cataract and astigmatism higher than 1 diopter, with phaco surgery and the implantation of a toric intraocular lens.

Full description

Patients with Cataract are treated with phacoemulsification of the lens with an implantation of an intraocular lens. Besides cataract, almost 25% of these patients have some degree of Astigmatism; when it is higher than 1 diopter, it is possible to neutralize it with an implantation of a toric intraocular lens.

Enrollment: 50 patients

Sex: All

Ages: 40 to 80 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Symmetrical keratometric astigmatism ≥ 1.0 D and cataract.

Exclusion criteria

• Irregular astigmatism,
• Keratoconus,
• Previous Refractive Surgery.

Trial design

Primary purpose: Treatment

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

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50 participants in 1 patient group

Acrysof Toric intraocular lens

Experimental group

Description:

A One piece, acrylic intraocular lens is implanted in the lens bag.

Treatment:

Procedure: Acrysof Toric one-piece intraocular lens