Conditions:

• Retinopathy with bleeding or scar tissue affecting the retina or vitreous gel

Open the vitreous to:

• remove blood or other substance keeping light from focusing properly on the retina
• remove scar tissue that is wrinkling or tearing the retina and causing poor vision
• help repair a retina that has detached (pulled away) from the eye wall
• remove a foreign object stuck inside the eye from an injury