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- The most common form of senile cataract.
- Clinical features:
- Symptoms:
- Minimal symptoms of decrease in visual acuity
- Mild to severe glare and night vision difficulties and may impair driving
- When the lens opacities are in the visual axis, patients may complain of double vision.
- The opacities are located in the cortical layer and initially develop in the lower portion of the lens
- Early stage cortical cataract demonstrates water clefts and vacuoles, which may change over time resulting in irreversible opacities
- In a more advanced stage, spoke-like or wedge-shaped peripheral opacities progress circumferentially, initially sparing the clear central axis of the lens.
- sometimes associated with diabetes
