Observing and describing the surgical effects of different extents of internal limiting membrane peeling combined with internal limiting membrane insertion for macular hole

Inclusion Criteria:

• Clear diagnosis of macular hole;
• The minimum diameter of the macular hole is >400 μm;
• Without serious systemic disease that make patients can not be operated;

Exclusion Criteria:

• suffering from severe retinal diseases such as: diabetic retinopathy, age-related macular degeneration, peripheral retinal detachment, PVR, etc.;
• opacitas in the refractive medium can not perform Angio-OCT and visual acuity examination;
• eye acute and chronic inflammation, such as acute contagious conjunctivitis, acute and chronic keratitis, acute dacryocystitis;
• traumatic macular hole, secondary macular hole, high myopia macular hole, etc.;
• having a history of vitrectomy surgery;
• glaucoma in stage of preclinical, severe stenosis or closure;