Filler to outer lip line left me with blue tinted lips and it's lumpy 4years after

If you’re unhappy with your result, you can suggest to your provider having hyaluronidase injected to dissolve the product, this may take a few sessions

There is no contraindication between filler injection and dry eyes. Filler injection will not make dry eyes worse. In fact, at times, it may be injected differently to improve eyelid closure and improve dry eyes!

Restylane syringes are described in cc's or ml's.  In the United States Restylane now comes in three sizes: 0.5ml, 1ml, or 2ml. The most common size syringe used is the 1ml.  Best to talk to your experienced injector about what your needs are and how he/she is going to address them.

Restylane in the tear trough area would will already last longer due to less movement around the eyes, up to 18 months 

I have been treating under eye problems with fillers of all kinds for more than twenty years, since the days of Zyderm collagen. The use of Belotero Balance, which has little tendency to give rise to the unwanted bluish discoloration known as the Tyndall Effect, and diluted Restylane L, are...