Complex sentence: However, Carl Reiner, the motion-picture director files a class action lawsuit against Navin and claims that the Opti-Grab caused his eyes to be crossed and his resulting poor vision caused the death of a stunt driver in the film he was directing.
Split into simpler sentences: However, Carl Reiner, the motion-picture director files a class action lawsuit against Navin. Reiner claims that the Opti-Grab caused his eyes to be crossed and his resulting poor vision caused the death of a stunt driver in the film he was directing.