Laser: can be used to mend tears, seal leaking blood vessels or reattach minor retinal detachments.
Cryopexy (freezing): can be used to mend tears, seal leaking blood vessels or reattach minor retinal detachments.
Vitrectomy: tiny incisions (cuts) are made in the white of your eye and the jelly-like substance (vitreous) in the back of your eye is removed.
https://www.healthpoint.co.nz/private/ophthalmology/bowen-hospital-ophthalmology-eye-surgery/