the goal of this intervention study is to compare prospectively the accuracy of the power calculation between both groups, the intraoperative aberrometry (ORA) vs barrett universal II preoperative calculation (control group) . Researchers will compare ORA group vs control to see changes in spherical equivalent and uncorrected distance visual acuity
Studies have described a small difference between ORA (intraoperative aberrometer) and preoperative calculation with latest generation formulas ( Barrett Universal II ), the investigators intend to compare both groups prospectively, during the process randomization and blinding of the participants will be made. The investigators will report spherical equivalent and uncorrected distance visual acuity values at 90 days of the postoperative period.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
300
the patient intraocular lens will be optimized during the aphakic period after cataract extraction and before intraocular lens implantation, this will produce a possible change in the dioptric power of the intraocular lens
the intraocular lens in this group will be calculated preoperatively with Barrett Universal II formula
Instituto de oftalmología Fundación Conde de Valenciana
Mexico City, Cuauhtemoc, Mexico
RECRUITINGspherical equivalent
Spherical equivalent values at 90 days of the postoperative period
Time frame: 90 days of the postoperative period
uncorrected distance visual acuity
uncorrected distance visual acuity at 90 days of the postoperative period
Time frame: 90 days of the postoperative period
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