Snowblindness and Sightlessness

Snowblindness noun - Temporary blindness caused by exposure to sunlight reflected from snow or ice.

Sightlessness and snowblindness are semantically related. In some cases you can use "Sightlessness" instead a noun "Snowblindness".

Sightlessness noun - The state of being blind or lacking sight.

Snowblindness and sightlessness are semantically related. Sometimes you can replace term "Snowblindness" with "Sightlessness", this nouns are similar.