Cortical Cataract
Age-related cataracts can present as:
Or a combination
Eye with nuclear & cortical cataract
Source: Cataract, National Eye Institute, National Institutes of Health, used under CC BY 2.0.
Nuclear Cataract
Posterior sub capsular Cataract
Cross section though lens showing where the different types of age related cataract can be seen
'Cross-section through lens' image adapted from National Eye Institute. Cortical cataract image source: National Eye Institute