The rationale behind The CVI Range Endorsement-why did this become necessary?

I have long wanted to provide my perspectives on the Perkins Roman CVI Range Endorsement.  There seems to be confusion and even resistance about the Endorsement and I hope to clear up some of the misinformation or misgivings. Around 1994 I was the lead person in a project at The Western Pennsylvania School for Blind Children … Continue reading The rationale behind The CVI Range Endorsement-why did this become necessary?