Dr. Daniel H. Chang, MD
The purpose of the study is to evaluate the binocular clinical endpoints of distance, intermediate, and near vision and patient reported outcomes utilizing mini-monovision versus mix-match approaches for the correction of presbyopia with intraocular lenses.
Presbyopia, defined as the age-related loss of accommodative amplitude, affects essentially all human beings beyond the age of 45 and impacts the ability of the eye to focus at near distances. Current intraocular lens (IOL) options for cataract patients who desire improved vision across a range of distances include full depth of field (DOFi) IOLs and extended depth of field (EDOF) IOLs. Patients implanted with full depth of field IOLs may sometimes experience dysphotopsias (e.g., glare and halos), particularly at night. The goal with the correction of presbyopia is to maximize near visual ran…
Inclusion Criteria: * Minimum 22 years of age * Bilateral cataracts for which posterior chamber IOL implantation has been planned * Preoperative best corrected distance visual acuity (BCDVA) of 20/40 Snellen or worse with a glare source or 20/40 Snellen or worse without a glare source * Potential for postoperative BCDVA of 20/30 Snellen or better * Corneal astigmatism: * Normal corneal topography * Preoperative corneal astigmatism range from 0 D - 2.0 D * Expected post-operative astigmatism \< 1.0 D * Clear intraocular media other than cataract in each eye * Availability, willingness, and suf…
Bilateral implantation of the TECNIS PureSee intraocular lens following standard phacoemulsification cataract surgery. The non-dominant eye is intentionally targeted for a "second minus" near focus strategy (mini-monovision).
Implantation of the TECNIS PureSee intraocular lens into the dominant eye following standard phacoemulsification cataract surgery.
Implantation of the TECNIS Odyssey intraocular lens into the non-dominant eye following standard phacoemulsification cataract surgery.
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