An August 2016 Stanford University study published in Acta Ophthalmologica found that "the birth prevalence of iris color was ...

Brown eyes are rich in melanin, which not only gives them their color but also provides natural UV protection. Hazel eyes are a mix of brown, gold, green, and sometimes even gray. Depending on the ...

Also, it’s important to remember not to plant anything nearby that will prevent the witch hazel from receiving full sun.