Related by context. Frequent words. (Click for all words.) 61 corneas 57 cataract surgery 53 transplants 52 cataract 52 lung transplants 52 reconstructive surgeries 52 surgeries 52 stem cell transplants 51 bone marrow transplant 51 kidney transplants 50 stem cell transplant 50 corneal 49 cornea 49 surgical procedures 49 organ transplants 49 transplant 48 kidney transplant 48 ophthalmologists 48 retinoblastoma 48 surgery 47 cataracts 47 kidneys 47 reconstructive surgery 47 cochlear implants 47 skin grafts 47 bone marrow transplants 47 kidney 47 diabetic retinopathy 46 lung transplant 46 retinitis pigmentosa 46 cochlear implant 46 LASIK 45 glaucoma 45 biopsies 45 amputation 45 transfusions 45 liver transplant 44 liver transplants 44 retinal 44 stem cell transplantation 44 transplant recipients 43 refractive surgery 43 grafts 43 cleft lip 43 presbyopia 43 amputations 43 ophthalmologist 43 keyhole surgery 43 hysterectomy 43 blood transfusions 43 skin graft 43 transplantation 42 optometrists 42 liver transplantation 42 bone marrow transplantation 42 kidney transplantation 42 surgical procedure 42 treatments 42 prostheses 42 macular degeneration 42 eyesight 42 hip replacements 42 surgeons 41 retinopathy 41 spinal tap 41 blindness 41 spinal surgery 41 congenital heart 41 blood transfusion 41 angioplasties 41 stem cell therapy 41 ophthalmology 41 albinism 41 nearsightedness 41 colonoscopy 41 photoreceptors 41 Lasik 40 microsurgery 40 bone marrow stem cells 40 renal failure 40 uveitis 40 neurological 40 livers 40 ORBIS 40 organ transplantation 40 biopsy 40 implant 40 liver 40 invasive procedures 40 patients 40 dialysis 40 coronary artery bypass 40 anti retroviral treatment 40 organ transplant 40 cleft palates 40 prosthetic 40 kidney failure 40 gene therapy 39 kidney dialysis 39 Lucentis 39 contact lens wearers