Dynamics

Target population [retired persons, readers, rural population, urban, middle, upper rich,]

Pension averages, average income,[1/10th of av. mo. Income as cost]

Very poor, single parents [mainly women] and church or religious members, free?

1 International price of eye wear

2 Distribution of eye wear

3 Cultural issues

4 Protocols

5. Patients affordability

6 access by patients

7 access to patients

8 maintenance and continuous supply

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