Efficacy of Lutein, Zeaxanthine and Trypan Blue to Stain the Anterior Lens Capsule

Federal University of São Paulo25 enrolled

Overview

Effectiveness of lutein, zeaxanthin and trypan blue to stain the anterior lens capsule during cataract phacoemulsification.

Twenty patients with cataract (nuclear, entumecente, total) and indication for cataract surgery will be selected to participate in this study.

Study Type

INTERVENTIONAL

Allocation

Purpose

SUPPORTIVE_CARE

Masking

NONE

Enrollment

Conditions

Cataract

Interventions

dye of lutein, zeaxanthin, trypan blueOTHER

dye composed of lutein, zeaxanthin, trypan blue

Eligibility

Sex: ALLMin age: 50 YearsMax age: 90 Years

Medical Language ↔ Plain English

Inclusion Criteria * Patients over 50 years * Diagnosis of cataract (nuclear, entumecente, total) * Absence of red reflex * Indication of cataract surgery Exclusion Criteria * Posterior subcapsular cataract * Any history of eye disease * Glaucoma * Eye infection affecting any structure prior ocular * Any previous ocular surgery

Locations (1)

Dept. of Ophthalmology - UNIFESP/Hospital São Paulo

São Paulo, São Paulo, Brazil

Outcomes

Primary Outcomes

Visibility of the anterior lens capsule after the injection of dye

The visibility of the anterior lens capsule after the injection of dye, should be graduated as Bad OR Fair OR Good OR Fine

Time frame: during the cataract surgery

Secondary Outcomes

Degree of impregnation of the dye

The degree of impregnation of the anterior lens capsule by the dye should be graduated acording to the following scale:(0)not flushed; (1)stained weakly (light green); (2)moderately stained (medium green); (3)stained intensely (dark green)

Time frame: during the surgery

usefulness of the dye

the physician should evaluate the usufelness of the dye, according to the following scale: Bad, Fair, Good, Fine

Time frame: at the end of the cataract surgery

Data from ClinicalTrials.gov

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