Fig. 7: The Impantable Miniature Telescope (IMT). | Eye

Fig. 7: The Impantable Miniature Telescope (IMT).

From: Implantable vision-enhancing devices and postoperative rehabilitation in advanced age-related macular degeneration

Fig. 7

The IMT (view of the anterior aspect) is 4.4 mm long and 3.6 mm in diameter and weighs 115 mg in air. The central glass optical cylinder of this visual prosthetic device houses high-plus and high-minus micro-lenses. The optic is centered in a clear polymethylmethacrylate (PMMA) carrier plate with modified C-loops. The blue PMMA ring serves as a light restrictor, designed to prevent glare [28].

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