Penlight suggestions for medical use

Maybe Wurkkos WK01 or WK02 would be the right thing for you...

https://budgetlightforum.com/t/-/63263

In post #2 you find my review of both lights.

Here‘s another video review of WK02...

https://budgetlightforum.com/t/-/63448

Both lights offer HighCRI (when choosing 4.000K tint), constant current regulation, good mode spacing and a great performance/price ratio. The only thing these lights do not provide is a very low moonlight mode for eyes examination.