Cataract
Conditions
Keywords
lutein, zeaxanthin, trypan blue, dye
Brief summary
Effectiveness of lutein, zeaxanthin and trypan blue to stain the anterior lens capsule during cataract phacoemulsification.
Detailed description
Twenty patients with cataract (nuclear, entumecente, total) and indication for cataract surgery will be selected to participate in this study.
Interventions
OTHERdye of lutein, zeaxanthin, trypan blue
dye composed of lutein, zeaxanthin, trypan blue
Sponsors
Federal University of São Paulo
Study design
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
SUPPORTIVE_CARE
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
50 Years to 90 Years
Healthy volunteers
No
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
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Visibility of the anterior lens capsule after the injection of dye | during the cataract surgery | The visibility of the anterior lens capsule after the injection of dye, should be graduated as Bad OR Fair OR Good OR Fine |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Degree of impregnation of the dye | during the surgery | 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) |
| usefulness of the dye | at the end of the cataract surgery | the physician should evaluate the usufelness of the dye, according to the following scale: Bad, Fair, Good, Fine |
Countries
Brazil
Outcome results
None listed