Some aspects of the invention provide for a method of treating Wet and/or Dry Age-related Macular Degeneration, Retinitis Pigmentosa, Diabetic Retinopathy, cataracts, and/or Stargardt Disease using polyunsaturated fatty acids which are modified in certain positions to attenuate oxidative damage by Reactive Oxygen Species (ROS) and/or suppress the rate of formation of reactive products and toxic compounds.