Wide-angle viewing system for an ophthalmic microscope

An apparatus for an ophthalmic microscope, comprising:

• a frame;
• a reduction lens module attached to the frame, the reduction lens module including:
• a mount configured to be attached to an ophthalmic microscope, and
• a movable reduction lens assembly including an adjustable reduction lens, the movable reduction lens assembly having an optical axis, a disengaged position, and an engaged position;
• and
• an image inverter-reverter module movably coupled to the frame, the image inverter-reverter module including an optical prism and a loupe lens assembly, the image inverter-reverter module having an optical axis, a stowed position, and a deployed position,
• wherein, when the mount is attached to the ophthalmic microscope and the movable reduction lens assembly is disposed in the engaged position, the optical axis of the movable reduction lens assembly is aligned with an optical axis of the ophthalmic microscope, and
• wherein, when the mount is attached to the ophthalmic microscope and the image inverter-reverter module is disposed in the deployed position, the optical axis of the image inverter-reverter module is aligned with the optical axis of the ophthalmic microscope.