Dear Kay,
i apologize for the digression re: my optical requirements.

Dear Ginnie,
I am aware of Transitions but thanks for the "tip."
I'll explain. Migraines come with photosensitivity. i want 2 separate and distinct pairs of glasses: 1. For normal use, photochromatic ones (lighten and darken). 2. For migraines, dark glasses which
stay dark wherever i go.