How to customize ERPNext for contact lenses?

I want to use ERPNext for contact lenses shops. However, currently ERPNext is not specified for this area. How can I customize it to suit for this area?

Thank you.

Please refer this:

You can

  • Add new field to existing form
  • Create New Form
  • Add validation and script to calculate value
  • Create print format
  • Create custom report

Can you share what is missing in ERPNext from the point of Contact Lenses Shop?