Matt Tietjen, M.Ed., CTVI

Matt Tietjen is an education consultant and teacher of students with visual impairments in Connecticut. Matt earned his special education certification from Southern Connecticut State University. He received his certification in teaching students with visual impairments from UMASS Boston, where he also earned his Master’s in Education. 

Matt specializes in working with children who have cortical visual impairment. He developed the What’s the Complexity Framework out of his conviction that children with CVI deserve a visually accessible school day.  Matt is passionate about teaching families and educators about CVI and partnering with them to create CVI-driven educational programs.

Matt lectures nationally on the What’s the Complexity Framework and other related topics. He was a featured speaker at the American Conference on Pediatric Cortical Visual Impairment in 2016 and 2017 and a speaker at Perkin’s Third Annual CVI Symposium in 2017.  He led a New-England-wide training on the What’s the Complexity Framework in 2016 and a one-day workshop on the framework through Perkins in April of 2017.  Matt is Perkins-Roman CVI Range Endorsed and has supported Christine Roman-Lantzy in her online CVI course since February of 2016. 

The What’s the Complexity Framework is being published by AFB Press in Christine Roman-Lantzy’s forthcoming book, which is expected in the fall of 2017.  

Professional Development Offerings

Use the "What's the Complexity" Framework to design a visually accessible school day for for children with CVI.

Online Class

A CVI tutorial discussing why and how math concepts and calculations can be difficult


Together We Can Change How Children See the World

Onsite Training

What's the complexity framework

Matt Tietjen, M.Ed., CTVI

February 29, 2020



Onsite Training