This brand name is a playful take on the word "retina".
The word "retiny" contains only six characters and three syllables. Leading companies using three syllable names include Vodafone, KFC and Toshiba.
This domain was first registered in October 2016. Older domains have an advantage when ranking in search engines.
Retiny.com is a dot com domain. Dot com domains are the most sought after top-level-domain in the world, used by famous websites like youtube.com. Once secured, a dot com all but guarantees no-one else can outrank you for your own name in the long run.