The purpose of the study is to determine if visual function is improved with implantation of a low-cylinder toric intraocular lens, relative to a non-toric intraocular lens.
The Clareon(R) T2 IOL and the Clareon (R) non-toric IOL will be randomly implanted in subjects determined to be appropriate for the T2 IOL. Visual acuity, low contrast acuity and contrast sensitivity will be measured 3 months postoperatively.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
43
Clareon T2 toric IOL implantation
Clareon non-toric IOL
Ifocus øyeklinikk
Haugesund, Norway
UDVA
Uncorrected distance visual acuty in logMAR
Time frame: 3 months
Manifest Refractive Cylinder
Manifest refractive cylinder, in diopters
Time frame: 3 months
Percentage of Eyes With <= 0.25 D of Refractive Cylinder
the percentage of eyes with \<= 0.25 D of postoperative refractive cylinder
Time frame: 3 months
Percentage of Eyes With <= 0.50 D of Refractive Cylinder
The percentage of eyes with \<= 0.50 D of refractive cylinder
Time frame: 3 months
Corrected Distance Visual Acuity
Corrected distance visual acuity (CDVA), logMAR
Time frame: 3 months
Mesopic Contrast Sensitivity
Mesopic log contrast sensitivity by spatial frequency - cycles per degree (CPD), using the Clinical Trial Suite (CTS) from M\&S Technologies (Niles, IL, 129 USA)
Time frame: 3 months
Photopic Contrast Sensitivity
Photopic log contrast sensitivity by spatial frequency - cycles per degree (CPD), using the Clinical Trial Suite (CTS) from M\&S Technologies (Niles, IL, 129 USA)
Time frame: 3 months
Low Contrast Visual Acuity
Low contrast visual acuity (VA), logMAR, 10% contrast, using the Clinical Trial Suite (CTS) from M\&S Technologies (Niles, IL, 129 USA)
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Time frame: 3 months
Mean Refraction, Spherical Equivalent (MRSE)
Mean refraction, spherical equivalent (MRSE), in diopters
Time frame: 3 months