Both can lead to vision problems; optic neuritis involves inflammation of the optic nerve while optic neuropathy refers to damage from any cause. Optic neuritis is one of the many causes of optic neuropathy. Optic neuropathies can be either hereditary or acquired. Acquired etiologies of optic neuropathy include ischemic, nutritional, and toxic types. 1,2 Drug-induced optic neuropathy is of the toxic type. Mechanisms of drug-induced optic neuropathy include mitochondrial dysfunction, disruption of blood flow to the optic nerve, and unknown mechanisms. 2
Fourth through eighth vehicle identification number digit reveals the vehicle features such as body style, engine type, model, series, etc. The ninth vehicle identification number digit is a VIN accuracy check digit, verifying the previous VIN numbers. This is how the check digit works/.
The VIN/Chassis Number can be found on the dashboard of the vehicle or on the driver side door where the door latches when it is closed. The VIN/Chassis Number can also be found on the Vehicle Registration Certificate (VRC) and should match the VIN/Chassis Number on the vehicle.For more information please see our help section on âComplete my Cartell Checkâ. Back to top â.he VIN/Chassis Number can also be found on the Vehicle Registration Certificate (VRC) and should match the VIN/Chassis Number on the vehicle. For more information please see our help section on âComplete my Cartell Checkâ.