ENVIRONMENTAL PRINT COMPARISONSBy: Carmen Willings
teachingvisuallyimpaired.com Updated October 23, 2017 I use this environmental print comparison regularly to help team members understand the comparison between the acuity a student is able to visually access and how it relates to font sizes. Keep in mind that it is important to use the lowest font size a student is able to easily, accurately, and fluidly read for longer passages. Although a student may have a threshold for a smaller font, if they cannot read it with accuracy and fluency, it will not be an efficient font size for sustained reading. Near Vision Snellen Test ChartThe following is a list of environmental print that correlates to the acuity on a Near Vision Snellen Test Chart.
Information in the above chart was taken from the "Near Vision Test Chart" by the Low Vision Clinic, N.C. Memorial Hospital Dept. of Ophthalmology, University of North Carolina School of Medicine, Chapel Hill, NC.
Functional Distance Acuity ApproximationsThe following is is a list of Functional Distance Acuity Approximations at a distance of 20 feet.
Approximate Functional Vision AcuityAn approximation of functional visual acuity can be determined for students that are non-verbal or otherwise unable to perform for standard acuity assessment by comparing the size of the object the student can identify to the distance from the student. Although this can't be used as an exact measurement, it can provide you with an idea of the student's acuity.
Distance from the student:
Topor, I. (2004). Approximate functional visual acuity for different sizes of objects and distances. Chapel Hill, NC: Early Intervention Training Center for Infants and Toddlers With Visual Impairments, FPG Child Development Institute, UNC-CH. Visual Conditions Module 06/06/04 S4 Handout H
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TVI's Guide to Teaching the ECC: An Activities Based Curriculum for Teaching Students who are Blind or Visually Impaired
$50.00
Written specifically for fellow itinerant Teachers of Students with Visual Impairments (TVI’s), this book consists of over 400 activities and topic areas of discussion for instructing students in the Expanded Core Curriculum. The activities are age-neutral and multi-sensory and therefore can meet the needs of the broad range of students served on an itinerant caseload serving. The activities can be individualized to the students various learning modalities and scaffold in order to challenge students but ensure success. Select those activities that align with the student’s learning objects based on the student’s unique visual needs and academic and developmental level. The core activities listed in the Activity section can be adapted to each thematic unit. These include:
In addition to the core activity areas, each of the 32 Thematic Units incorporates additional unique ECC concepts and skills providing you with a years’ worth of activities. These units are cyclical and can be used repeatedly to help students build on prior knowledge and develop a deeper understanding of concepts. Each unit includes suggestions for activity adaptation associated with the unit. These include lists of objects, possible community based experiences, environmental print, poems, children & young reader books, children's songs, pop culture songs, movies, and websites. Unique Concepts within the Units include:
Although the intended audience of this resource is fellow Teachers of Students with Visual Impairments, special education teachers may find these activities beneficial to the students in their classrooms as the activities are multisensory and include life skills and concepts needed by all students. This resource, however, is not intended to take the place of a Teacher of Students with Visual Impairments (TVI). Readers are advised to consult their own TVI’s regarding instruction in the ECC and the unique visual needs of the student’s served in their programs. Note: This curriculum is a digital pdf download. Once you make your purchase you will be directed to an order confirmation page where you will find the download link. This download will also be included on the receipt sent to the email address you provide. The pdf download can be found directly under the order number. Each download is intended for single instructor use per copyright. Thank you for helping me preserve the content and not distributing copies to third parties. Product details Digital pdf download: 364 pages (11 pt font) Publisher: Teaching Students with Visual Impairments Author: Carmen Willings Language: English 
Visual Efficiency & Magnifier Fluency Grab & Go ECC Supplements
$20.00
This workbook is a pdf download that can be printed on demand for use with students. It contains five different types of worksheets for developing visual motor skills and near magnifier fluency skills particularly with the use of a video magnifier. As a supplement to the TVI’s Guide to the ECC, the worksheets correspond to each of the 32 ECC Thematic units. The worksheets, along with a list of environmental print for each thematic unit, are designed to help students refine their visual motor skills while reinforcing ECC concepts presented in the thematic units. Visual Efficiency & Near Magnifier Fluency Worksheet Details: Digital pdf download: 210 pages Publisher: Teaching Students with Visual Impairments Author: Carmen Willings Language: English 
Recently, Carson Cochran, program manager at GIMC, shared a typometer pdf that was printed on clear acetate with me. By printing it on clear acetate, you can place the typometer over print to determine the font size. You can find a number of these available on Pinterest. Here is the site I found with the chart I have used. Scroll down the page to locate the "Typometer kostenlos!" What a great tool!
A typesetter ruler, like this C-Thru Flexible Typesetter’s Ruler, is made of clear plastic and has leading, type size, point rule, pica, point and inch scales. It will include font samples and rules of different sizes and more. Place it over your printed piece and match up the text in your sample with those printed on the ruler in order to get an estimate of the font size and line spacing and size of any rules in the design. You can purchase a typographic ruler like this one or print your own from images posted online.
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