The prevalence of BPES is unknown.
How many people are affected by blepharophimosis, ptosis, and epicanthus inversus syndrome ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by blepharophimosis, ptosis, and epicanthus inversus syndrome ? [/INST] \n The prevalence of BPES is unknown.</s>