The effect of micro‐incision and small‐incision coaxial phaco‐emulsification on corneal astigmatism

Abstract

Incision size contributed to postoperative corneal astigmatism. When incision size was reduced from 3.0 mm to 2.6 mm, SIA was reduced and refractive stabilization was faster. Reduction of incision size from 2.6 mm to 2.2 mm offered no greater reduction of SIA when using the C cartridge; however, the D cartridge (designed for 2.2-mm incisions) should be evaluated.

Cataract surgery with toric intraocular lens implantation in patients with high corneal astigmatism

“…Previous studies indicate that 2.2 mm temporal incisions induce 0.10 to 0.31 D of SIA 37,38 versus 0.40 D for superior incisions. 39 We recommend incorporating an expected amount of approximately 0.20 D for a temporal incision and 0.40 D for a superior incision into the toric IOL power calculation.…”

Accuracy of toric intraocular lens implantation in cataract and refractive surgery

“…[27][28][29] Pseudophakic IOLs may be implanted through a 2.2 mm sutureless corneal incision, which has been shown to induce 0.24 to 0.52 D of flattening at the incised meridian. [30][31][32] When performing the toric pseudophakic IOL power calculation, we incorporated an incision-induced astigmatism of 0.50 D into the IOL power calculation. Toric pIOLs, however, require a much larger incision.…”

Microcoaxial Phacoemulsification Combined With Viscogoniosynechialysis for Patients With Refractory Acute Angle-closure Glaucoma

“…biomechanics and prolate shape of the cornea 17 and results in less SIA and improved visual quality, 15,18 along with rapid wound healing 16,17 and visual rehabilitation, 18 less inflammation, and lower risk of endophthalmitis. 22 It also induces less astigmatism and reduces all intraoperative phaco parameters except total surgical time. 19 The goal of ophthalmic surgery is to obtain the desired effect with minimal trauma.…”