You Do Need power plug adapter while traveling from Uzbekistan to Laos.

Here is Why You Need An Adapter

The outlet and plug type used in Laos are A, B, C, E and F and in Uzbekistan are C and F. This is how they look like.

Uzbekistan

In Uzbekistan, outlets of type C and F are in use.

Type C

Type F

Laos

In Laos, outlets of type A, B, C, E and F are in use.

Type A

Type B

Type C

Type E

Type F