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The goal of this observational study is to learn about the effects of 25-gauge (G) needle-assisted phacoemulsification to remove dislocated intravitreal lens nuclei.
Patients with dislocated intravitreal lens nuclei who underwent 23G pars plana vitrectomy (PPV) and 25G needle-assisted phacoemulsification between July 2022 and September 2024 were included. Primary outcomes included best-corrected visual acuity (BCVA) and intraocular pressure (IOP). Secondary outcomes included corneal endothelial cell count (CECC) and the incidence of intraoperative and postoperative complications. These outcomes were statistically analyzed both preoperatively and postoperatively. A minimum follow-up of 6 months was completed for all eyes.
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| Measure | Description | Time Frame |
|---|---|---|
| Best corrected visual acuity | Best corrected visual acuity was measured with logarithmic visual acuity chart. | Preoperatively and postoperatively for at least 6 months. |
| Measure | Description | Time Frame |
|---|---|---|
| Intraocular pressure | Intraocular pressure was measured with noncontact tonometer. | Preoperatively and postoperatively for at least 6 months. |
| Corneal endothelial cell count | Corneal endothelial cell count was measured with specular microscope. |
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Inclusion Criteria:
Clinical diagnosis of dislocated intravitreal lens nuclei Signed informed consent
Exclusion Criteria:
Surgical contraindications
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Patients with dislocated intravitreal lens nuclei who underwent 23G pars plana vitrectomy (PPV) and 25G needle-assisted phacoemulsification and without surgical contraindications exist.
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| Name | Affiliation | Role |
|---|---|---|
| Xincheng Sun | Changzhou No.2 People's Hospital | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| the Second People's Hospital of Changzhou | Changzhou | Jiangsu | 213100 | China |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 42211675 | Derived | Feng Q, Li Y, Jiang Y, Sun X. Effect of 25-Gauge Needle-Assisted Phacoemulsification of Dislocated Intravitreal Lens Nucleus. J Ophthalmol. 2026 May 27;2026:8429779. doi: 10.1155/joph/8429779. eCollection 2026. |
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| ID | Term |
|---|---|
| D007906 | Lens Subluxation |
| ID | Term |
|---|---|
| D007905 | Lens Diseases |
| D005128 | Eye Diseases |
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| Preoperatively and postoperatively for at least 6 months. |