Most patients with MPS 2 have progressive hearing loss and recurrent infections of the middle ear.
[symptoma.com]
[…] ear infections Frequent ear infections 0410018 Recurrent upper respiratory tract infections Recurrent colds 0002788 Retinal degeneration Retina degeneration 0000546 Retinopathy
[rarediseases.info.nih.gov]
Mucopolysaccharidosis type II is a multisystem disorder and symptoms include coarse face, short stature, skeletal abnormalities, recurrent infections, cardiomyopathy, hepatomegaly
[symptoma.com]