Is macular degeneration caused by trauma?

No. Typical age related macular degeneration is not caused by trauma. It is a genetic condition which can be affected by nutritional and environmental factors.
Nope. One can get macular damage that could look like the end stage of macular degenration and have the same symptoms, nut they are 2 separate diseases.
No. Macular degeneration is essentially a genetic/inherited disease. Trauma can damage the macula however.
No. Trauma can cause retinal macular trauma such as choroidal rupture, hemorrhage and detachment. Macular degeneration in the traditional sense is caused by aging.