The Present Status of Vitreoretinal Surgery in Treatment of Traumatic Retinal Detachment The role of stem cells in resolving different ophthalmic disorders R efractive and visual outcomes after Keraring intrastromal corneal ring segment implantation for keratoconus assisted by femtosecond laser at 6 months follow-up Efficacy of transepithelial corneal collagen crosslinking for keratoconus: 12-month follow-up Timing of Pars Plana Vitrectomy in Management of Gunshot Perforating Eye Injury: Observational Study