C2f6

    #c2f6

    #vr surgery

    #gas bubble in eye

    #c3f8 gas bubble duration

    #vitreoretinal surgeon

    #gas bubble in eye recovery time

    #pneumatic retinopexy

    #vitrectomy recovery

    #vision after vitrectomy

    #gas bubble in eye not dissolving

    #retina vitreous

    #ophthalmological

    #ophthalmology