Clinical trial NCT04006912: The Influence of Different Preoperative Decision Schemes on the Visual Quality After Toric Intraocular Lens Implantation
Official title: The Influence of Different Preoperative Decision Schemes on the Visual Quality After Toric Intraocular Lens Implantation
Study type: INTERVENTIONAL
Overall status: UNKNOWN
Phase: NA
Conditions: Recruitment of Participants
Lead sponsor: Second Affiliated Hospital, School of Medicine, Zhejiang University
Sponsor class: OTHER
First posted: 2019-07-05
Enrollment: 60
Sex: ALL
Minimum age (years): 55
Maximum age (years): 80
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: TREATMENT

Brief summary: To study the Influence of Different Preoperative Decision Schemes on the Visual Quality After Toric Intraocular Lens Implantation


Eligibility criteria: Inclusion Criteria:

1. Age-related cataract (age 55-80)
2. Corneal astigmatism is greater than 1.0D
3. Patients who are willing to implant Toric IOL

Exclusion Criteria:

1. Previous or present eye diseases, such as glaucoma, eye trauma, etc
2. High refractive error
3. Previous eye surgery
4. Irregular astigmatism of the cornea

Primary outcomes:
measure: Actual residual astigmatism after surgery
timeFrame: 1 week postoperation
measure: Actual residual astigmatism after surgery
timeFrame: 1 month postoperation
measure: Actual residual astigmatism after surgery
timeFrame: 3 month postoperation
Secondary outcomes:
measure: uncorrected distance visual acuity (UDVA)
timeFrame: 1 week postoperation
measure: uncorrected distance visual acuity (UDVA)
timeFrame: 1 month postoperation
measure: uncorrected distance visual acuity (UDVA)
timeFrame: 3 month postoperation
measure: Theoretical residual astigmatism after surgery
timeFrame: 1 week postoperation
measure: Theoretical residual astigmatism after surgery
timeFrame: 1 month postoperation
measure: Theoretical residual astigmatism after surgery
timeFrame: 3 month postoperation
measure: Postoperative Totic intraocular lens rotation angle
timeFrame: 1 week postoperation
measure: Postoperative Totic intraocular lens rotation angle
timeFrame: 1 month postoperation
measure: Postoperative Totic intraocular lens rotation angle
timeFrame: 3 month postoperation
measure: Postoperative astigmatism and astigmatism axial of cornea
timeFrame: 1 week postoperation
measure: Postoperative astigmatism and astigmatism axial of cornea
timeFrame: 1 month postoperation
measure: Postoperative astigmatism and astigmatism axial of cornea
timeFrame: 3 month postoperation
measure: Corneal Aberrations
timeFrame: 1 week postoperation
measure: Corneal Aberrations
timeFrame: 1 month postoperation
measure: Corneal Aberrations
timeFrame: 3 month postoperation
Other outcomes:
Locations:
city: Hangzhou
country: China
facility: Second Affiliated Hospital, Zhejiang University School of Medicine
state: Zhejiang
Study officials:
References:
citation: Yu X, Wang J, Lin X, Xu D, Ni S, Sheng S, Xu W. Effect of two different preoperative calculation schemes on visual outcomes of patients after toric intraocular lens implantation. Int Ophthalmol. 2023 Feb;43(2):491-501. doi: 10.1007/s10792-022-02447-7. Epub 2022 Aug 6.