Retrospective Study of Vitreous Tap Technique Using Needle Aspiration for Management of Shallow Anterior Chamber during Phacoemulsification

Table 3

Studies suggesting using vitreous needle aspiration to manage positive vitreous pressure during intraocular surgery.

	Intraocular procedure	Number of patients (n)	Needle gauge and syringe used
Gross and Shaw [22]	Penetrating keratoplasty (PKP)	70	21-gauge needle on a 3 ml syringe
Vongthongsri et al. [19]	Triple procedure (PKP, cataract extraction,; and lens implantation)	65	23-gauge needle on a 5 ml syringe
Lau et al. [23]	Phacoemulsification	6	23-gauge on a 3 ml syringe