O:   Best-corrected visual acuity is 20/400 in the right and…

O:   Best-corrected visual acuity is 20/400 in the right and 20/80 in the left. Refraction in the office does not make much improvement in her vision.  There is no afferent pupillary defect.  Motility is full bilaterally.  External examination reveals deep sockets bilaterally.  She has some upper lid dermatochalasis, OU.  On slit-lamp examination, corneas are clear bilaterally.  Anterior chambers are quiet and deep.  Irises both reveal surgical iridectomies.  She had posterior chamber lens implants in both eyes.  Her left pupil is bound down to her lens implant.  Dilated fundus examination reveals diffuse peripapillary atrophy bilaterally, as well as significant retinal pigment epithelial clumping and atrophy to bilateral maculae.   This patient shows indications of a previous surgical procedure on her eye.  What type of procedure was performed?