This will differentiate between qualified and quakes (Status Symbol).Will help to build your practice and create confidence among fellow medical professionals (Revenue Generation).One can use membership No in all your documents to show that you are a part Registered (Qualified) Optometry society in India (Resume Value).Introduce OATN to your fellow Optometrist (Friendship).Let every Optometry professionals join together to achieve what we ought to achieve ( ultimate).Let us join together ( Strength).