Figure 5
From: Artificial iris performance for smart contact lens vision correction applications

(a) Layout of the GH-LCD cells including spacers, ring of glue and liquid crystal filling opening; (b) optical microscope images of the spacers and cross-section detail of the GH-LCD cells; (c,d) optical microscopy images (magnification 5×) of the GH-LCD cells after filling without and with electrical driving (1 kHz @ 20Vpp), respectively.