Observation on the safety of application of insulin syringe in the intravitreal injection

Abstract

Objective To observe the safety of application of insulin syringe in intravitreal injection. Methods The data of 82 eyes of 82 patients with macular edema were enrolled and all cases received intravitreal injection of triamcinolone acetonide (TA) (2mg, 0.05ml) using insulin syringe. Intraocular pressure measuring and indirect ophthalmoscopy were performed at 30 min, 1, 3, 7, and 30 days after injection. Results Of the 82 eyes, the IOP were increased in 5 eyes (6.10%) at 30 min after injection. The intraocular pressure at 1, 3, 7 and 30 days after injection were normal. The scope of subconjunctival hemorrhage was > 10mm in 5 eyes, was not in excess of 1 quadrant; the bleeding range diameter<10mm was in 7 eyes, and conjunctival congestion of the injection site occurred in 70 eyes. Lens opacity of 3 eyes aggravated at 3 months after injection, not exclude the connection with the age-related cataract. No endophthalmitis, vitreous hemorrhage, or retinal detachment happened. Conclusion Application of insulin syringe in intravitreal injection is a safe method with less damage. Key words: Insulin syringe; Injection intravitreal; Edema, macular; Triamcinolone acetonide