The Efficacy of a 6-point Transscleral Suture Fixation of a 3-looped Haptics PC-IOL Implantation Through Scleral Pockets for Surgical Management for Microspherophakia

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT04447157

Enrollment

Registered

2020-06-25

Start date

2016-07-01

Completion date

2020-06-20

Last updated

2020-06-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Microspherophakia

Brief summary

By comparing the preoperative data and postoperative data of 9 patients of microspherophakia, we concluded that the 6-point transscleral suture fixation of a 3-looped haptics posterior chamber intraocular lens (PC-IOL) through scleral pockets was a feasible method of PC-IOL implantation in the surgical treatment of microspherophakia.

Interventions

None listed

Study design

Observational model

CASE_ONLY

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

10 Years to 80 Years

Healthy volunteers

Inclusion criteria

* Microspherophakia was diagnosed and lens diameter\<9mm; * The lens subluxation was beyond the range of one quadrant and glasses cannot correct the vision; * Lens dislocated into the anterior chamber; * Lens dislocation caused elevated intraocular pressure (IOP); * The lens contacted the corneal endothelium; * Cataract; * Corneal endothelial cell density\>1000/mm2; * The fundus was normal without retinal detachment, severe macular disease and optic nerve atrophy； * There was possible improvement in postoperative visual acuity measured by retinometer.

Exclusion criteria

* The lens is centered and the position of the lens is stable; * Glasses can correct the vision obviously; * The reason for the elevated IOP was independent with the lens; * A high possibility of corneal decompensation after surgery; * Fundus function was poor and it is not expected to improve the vision after surgery; * Combined with other ocular diseases which were not suitable for IOL implantation; * Combined with a systemic disease that the patient cannot tolerate the surgery.

Design outcomes

Primary

Measure	Time frame	Description
Visual function	6 month postoperation	Best corrected visual acuity (BCVA) measured using a decimal chart
Intraocular pressure	6 month postoperation	intraocular pressure measured using non-contact tonometer
PCIOL tilt degree	6 month postoperation	PCIOL tilt degree measured using Ultrasound biomicroscope
PCIOL decentration distance	6 month postoperation	PCIOL decentration distance measured using Ultrasound biomicroscope
Endothelial cell density	6 month postoperation	Endothelial cell density was measured by specular microscopy
Anterior chamber depth	6 month postoperation	Anterior chamber depth measured using Ultrasound biomicroscope

Outcome results