By far, the number one type of eye infection is conjunctivitis, more commonly known as pink eye. Pink eye infections enter through a part of the eye called the conjunctiva, the thin membrane that coats the whites of your eyes. Antibiotic treatment is usually effective in treating this disease.
1 The city of Grand Haven is to the west, and the Grand Haven ZIP code 49417 also serves most of Robinson Township.  West Olive is to the south, and the West Olive ZIP code 49460 serves areas in the southern part of Robinson Township.
20817 zip code has 13.87 square miles of land area and 0.07 square miles of water area. As of 2010, the total 20817 zip code population is 36,240, which has grown 3.23% since 2000. The population growth rate is much lower than the state average rate of 9.01% and is much lower than the national average rate of 9.71%.