Slit Lamp Aspheric Retinal Lens 20D 40D 78D 90D

These slit lamp aspheric retianal lenses are made of superior optical glass with high-transmittance,
less stray light, and perfect realistic images;
lens surface adopts ultra strong coating, which is wear-resistant and shatterproof;
lens protection is waterproof and stain resistant, making it easier to clean.