The striker went down in a heap with what appeared to be a knee problem as the Ibrox men trailed the Czechs 1-0 early in the second half, still leading on aggregate.
A stretcher was initially called for with the signs looking bad, but was eventually not needed. Dessers was instead helped off the pitch by two members of medical staff.
Danilo was his replacement.
The Nigeria striker had earlier received treatment for another issue early in the game but was able to continue.