Effectiveness Of Ultrathin 40-Gauge Needles for Intravitreal Injections

Using an ultrathin 40 G needle for IVIs significantly reduces patient‑reported pain and vitreous reflux without increasing subconjunctival hemorrhage. These findings support the integration of 40 G needles into routine IVI practice to enhance long-term patient adherence and treatment efficacy.

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Publication Details

Journal
Korean Journal of Ophthalmology
Published
2026-03-17
DOI
https://doi.org/10.3341/kjo.2025.0134
Primary Topic
Ocular Surface and Contact Lens
Type
article
Field-Weighted Citation Impact
0.00
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article

Effectiveness Of Ultrathin 40-Gauge Needles for Intravitreal Injections

Kyung Yun Kook, Yong-Sok Ji, Ye Ji Cho, Do Hee Park
Korean Journal of Ophthalmology
Ocular Surface and Contact Lens
article

Effectiveness Of Ultrathin 40-Gauge Needles for Intravitreal Injections

Kyung Yun Kook, Yong-Sok Ji, Ye Ji Cho, Do Hee Park
article en

Abstract

Using an ultrathin 40 G needle for IVIs significantly reduces patient‑reported pain and vitreous reflux without increasing subconjunctival hemorrhage. These findings support the integration of 40 G needles into routine IVI practice to enhance long-term patient adherence and treatment efficacy.

Korean Journal of Ophthalmology
Chonnam National University Hospital (KR)
Openalex Percentile: Top 23%
Ocular Surface and Contact Lens
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