About 75% of all Stickler patients have type I Stickler syndrome, caused by mutations in COL2A1. This type has the best prognosis concerning hearing: 52.2% of the affected persons exhibit hearing loss, which is mostly sensorineural.
Near the Grand Canyon South Rim, you will find the cities of Tusayan, Williams and Flagstaff. Tusayan is very small and about 7 miles from Grand Canyon Village and 2 miles from the main southern entrance to the canyon. Williams is approximately 60 miles south of the Grand Canyon.Located about 80 miles southeast of Grand Canyon National Park, Flagstaff is the nearest major city with over 60,000 residents.Traveling about 80 miles northwest of the North Rim, you will find Kanab, Utah, while Page, Arizona, is approximately 120 miles northeast.ocated about 80 miles southeast of Grand Canyon National Park, Flagstaff is the nearest major city with over 60,000 residents. Traveling about 80 miles northwest of the North Rim, you will find Kanab, Utah, while Page, Arizona, is approximately 120 miles northeast.
Grand Canyon National Park is one of the world's premier natural attractions, attracting about five million visitors per year. Overall, 83% were from the United States: California (12.2%), Arizona (8.9%), Texas (4.8%), Florida (3.4%) and New York (3.2%) represented the top domestic visitors.