[…] in infancy. striatonigral degeneration a form of multiple system atrophy with nerve cell degeneration mainly in the region of the substantia nigra and the neostriatum; symptoms are similar to those of parkinsonism. subacute combined degeneration of spinal [medical-dictionary.thefreedictionary.com]

[…] cause subsequent retinal detachment Fundoscopy: circumferential area of involvement with small criss-crossing white lattice lines (thickened hyalinized blood vessels) Microscopic (histologic) description Atrophic and thinned retina with superficial gliosis [pathologyoutlines.com]

See Age-related macular degeneration, Ballooning degeneration, Fatty degeneration, Feathery degeneration, Granulovacuolar degeneration, Hereditary degeneration, Liquefactive degeneration, Macular degeneration, Myxoid degeneration, Paraneoplastic cerebellar [medical-dictionary.thefreedictionary.com]