Polychromatic Vision Improvement across the Wide Visual Field Based on Polysulfones Contact Lens Material

Volume 20 No 8 (2022)

Ali H. Al-Hamdani, Zaman Hameed Kareem , Hussein Al-Hamdani

DOI: 10.14704/nq.2022.20.8.NQ44210

Abstract

A polychromatic aberration has a significant effect on human vision. This paper considers the impact of Polysulfones contact lens material on the human polychromatic image across a broad field of view. The vision quality is numerically by using Zemax software based on Liou & Brennan's healthy (L&B) eye model. The Strehl ratio, the modulation transfer function at 15 cycles/mm (MTF15), and the spatial frequency at which the modulation transfers function drop to 0.5 (ν0.5) are used in the mono-and polychromatic light as acceptance criteria to analyze the results. The results indicate that as the field of view (FOV) increases, both the mono- and polychromatic images degrade due to incensement's image aberrations. On the other hand, polysulfide's contact lens improves the white vision in a wider field of view.

Keywords

Contact Lens, Polysulfones, Eye Models, Strehl Ratio, and Modulation Transfer Function

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