This study evaluates the optical quality and clinical performance of the Asqelio™ EDOF Toric intraocular lens (IOL) in patients undergoing cataract surgery or refractive lensectomy. The Asqelio™ EDOF Toric IOL aims to provide improved vision at various distances and correct astigmatism compared to monofocal IOLs. Postoperative outcomes, including visual clarity, refractive correction, and patient satisfaction, will be assessed three months after surgery.
Cataract surgery is one of the most common procedures worldwide, typically involving the replacement of the cloudy natural lens with an intraocular lens (IOL). Traditional monofocal IOLs correct vision for a single distance but do not address intermediate or near vision, leading to dependence on glasses. The Asqelio™ EDOF Toric IOL is designed to provide extended depth of focus, smoother transitions across distances, and astigmatism correction, potentially enhancing overall visual quality and reducing the need for glasses. This study compares the optical performance and patient outcomes of the Asqelio™ EDOF Toric IOL with those of monofocal IOLs. Key measures include optical quality, visual acuity at multiple distances, refractive correction, and patient-reported satisfaction. Results will be collected during a three-month postoperative follow-up. The findings aim to inform the effectiveness of the Asqelio™ EDOF Toric IOL in improving visual outcomes and quality of life for patients.
Study Type
OBSERVATIONAL
Enrollment
40
Hospital La Arruzafa
Córdoba, Cordoba, Spain
Ocular dispersion index (OSI)
OSI value represents the ratio of the amount of light within an annular area of 12 to 20 arc minute and the light corresponding to a circular area of one minute of arc around the central peak. Determined using the OQAS II double pass system
Time frame: Three months after intraocular lens implantation
Higher order aberrations Root Mean Square (HORMS)
The RMS value for higher order aberrations is calculated from the wavefront error map, determined using Hartmann-Shack wavefront aberrometry. Measured in microns
Time frame: Three months after intraocular lens implantation
Ocular Spherical Aberration
Ocular spherical aberration was determined using Hartmann-Shack wavefront aberrometry. Measured in microns.
Time frame: Three months after intraocular lens implantation
Monocular visual acuity for distance vision with correction (CDVA)
The VA with its best correction placed under photopic conditions was determined monocularly at a distance of 4 meters. Measured in LogMAR units
Time frame: Three months after intraocular lens implantation
Monocular visual acuity for distance vision without correction (UDVA)
The VA without correction under photopic conditions was determined monocularly at a distance of 4 meters. Measured in LogMAR units
Time frame: Three months after intraocular lens implantation
Monocular visual acuity for intermediate vision with correction for distance (DCIVA)
The VA with its best correction placed under photopic conditions was determined monocularly at a distance of 67 centimeters. Measured in LogMAR units
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.
Time frame: Three months after intraocular lens implantation
Monocular visual acuity for intermediate vision without correction (UIVA)
The VA without correction under photopic conditions was determined monocularly at a distance of 67 centimeters. Measured in LogMAR units
Time frame: Three months after intraocular lens implantation
Monocular visual acuity for near vision with correction for distance (DCNVA)
The VA with its best correction placed under photopic conditions was determined monocularly at a distance of 40 centimeters. Measured in LogMAR units
Time frame: Three months after intraocular lens implantation
Monocular visual acuity for near vision without correction (UNVA)
The VA without correction under photopic conditions was determined monocularly at a distance of 40 centimeters. Measured in LogMAR units
Time frame: Three months after intraocular lens implantation
Postoperative refractive error
Residual refractive error. Determined by manifest refraction. Measured in diopters
Time frame: Three months after intraocular lens implantation
Monocular Contrast sensitivity
Determined using the best-corrected Pelli-Robson test. Determined in logCS units
Time frame: Three months after intraocular lens implantation
Binocular Contrast sensitivity
Determined using the best-corrected Pelli-Robson test. Determined in logCS units
Time frame: Three months after intraocular lens implantation
Defocus curve
Binocular defocus curve obtained for the EDOF IOL group by varying the vergence of the stimulus from -4.0 D to +2.0 D in steps of 0.5 D with the best correction for distance vision
Time frame: Three months after intraocular lens implantation
CATQuest 9SF
Patient-reported outcomes on satisfaction and difficulty performing task after surgery. Obtained for the EDOF IOL group only. Each of the 9 items is scored using the Likert scale, from 1 for no difficulty/very satisfied, to 4 for very great difficulty/very dissatisfied, with higher scores indicating worse visual function.
Time frame: Three months after surgery
Visual Symptoms questionnaire
Questionnaire exploring the frequency, intensity and bothersome of different visual symptoms. Obtained from the subjects in the EDOF IOL group only.The scoring of these responses ranges from 0 for Never/None to 3 for Very Often/Severe/A lot, with higher scores indicating worse quality of vision
Time frame: Three months after surgery