The grommets usually fall out themselves any time between a few months to 2 years and this allows the eardrum to heal.
This also may reduce the need for surgery to insert grommets.
Hearing noticeably better Many children with glue ear do not need grommets.
They can mount on flat or curved surfaces using the convenient border grommets to tie or fasten down.
I intend to cover the lower access holes later with a couple of blind grommets.