Waseem, Madiha, et al. “Metamorphopsia and Optical Coherence Tomography Findings After Pars Plana Vitrectomy With Gas Tamponade”. 2022. Annals of King Edward Medical University, vol. 28, no. Spl3, Nov. 2022, pp. 292-5, doi:10.21649/akemu.v28iSpecial Issue (Jul, Sep).5181.