Purpose: To compare the refraction outcomes after phacoemulsification in high myopia implanted withand without a capsular tension ring. Material and methods: This retrospective study reviewed all patientswith an axial length of 26 mm or more and had phacoemulsification with an intraocular lens (IOL) betweenJanuary to December 2019. Pre-surgery biometric measurement and IOL power calculation were performedby the Barret Universal II formula. The chosen IOL power to be implanted with the predictive refractiveoutcome (PRO) was recorded. One month post-surgery, auto-refractive objective refraction in SphericalEquivalent (SE) was measured and compared to the PRO. Results: Fifty four eyes from 38 patients hada mean age of 57.15 + 9.73 (SD). In the non-CTR group, significant statistical difference between the preto post-surgery outcomes of objective refraction was observed (p = 0.007), while in the CTR group therewas no significant statistical difference (p = 0.830). The CTR achieved an accuracy of 0.01 D + 0.32 (p= 0.010) against -0.36 D + 0.55 in the non-CTR group. The CTR group, also reached 88.5% PRO for farvision compared to 53.6% in non-CTR group (p=0.005). Conclusion: Phacoemulsification with CTR inhigh myopia resulted in better predictive outcomes.
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