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A study shows reduced pain and vitreous reflux in patients receiving intravitreal injections, suggesting improved treatment practices.
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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Cho et al. (2026) studied this question.
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