Vision Skills

By: Carmen Willings
teachingvisuallyimpaired.com
​Updated May 25, 2019

As part of the Functional Vision Assessment, the Teacher of Students with Visual Impairments should assess the student's visual skills. These skills should be assessed after the assessment of the student's ocular skills, visual acuity and visual fields.

Visual Perception:

Assess the student's perceptual behaviors including depth perception, visual closure, visual discrimination, visual association, visual memory, visual sequencing, figure-ground discrimination, and spatial relationships. Observe spatial orientation including position of objects for viewing, ability to sequence objects and pictures, and ability to organize materials.

Depth Perception:

Observe how a student reaches for materials, grasps them, transports them, places them, releases them and imitates the movements) Observe the students depth perception and note if there is any overreaching, under reaching, figure-ground discrimination. Assess if the student uses eye-hand coordination to place puzzle pieces in inset puzzle or place objects where they belong. ​Also observe the student's travel abilities both indoors and outdoors.

Visual Discrimination

Assess the student's abilities to visually search for and identify of objects, colors, and pictures. Observe the students reaction to the disappearance of objects, reaction to differences in objects, recognition of familiar objects, people, and pictures, and ability to discriminate colors. Observe how a student responds to gestures, details and demonstrations. Observe the student's ability to identify common objects, coins and pictures. Assess student's ability to match objects, colors, and pictures. Assess the students ability to locate landmarks and adapt to lighting changes. 

Social Discrimination

Assess if the student orients toward faces or regards faces. Note if the student watches the speaker's eyes and mouth. Observe if the student will establish eye contact or respond with a smile when socially approached. Does the student recognize the caregiver or other familiar adults?

Color Vision

Simply asking a student to identify colors by name is not sufficient to determine his ability to distinguish among colors and shades. You may want to organize a set of cards that include lighter and darker shades of the same hue and ask the student to arrange them from lighter to darker shades or in families of related hues. It is also important to evaluate a student's ability to identify colors in real situations.

For students who are able to identify shapes, I like to use the Color Vision Testing Made Easy by Terrance Waggoner.

Observe whether a student can select an item by color or distinguish between associated colors in following directions in a primary workbook or reading graphs and pie charts in a textbook. For younger students, since many classroom activities depend on the ability to identify color, it is important to notify the classroom teacher, as well as the student, of any differences in color recognition, so tasks that are color dependent can be modified, such as working with a lab partner with normal color vision in chemistry experiments.

While the ability to match a set of colored objects may suggest intact color perception, a variety of different hues or saturation of the same color should be used to assess color vision. For this reason, several different sets of toys and materials should be used. Initially, ask the student to match highly contrasting colors to ensure that the student understands the task and has success between: red/green; red/brown; green/orange; blue/green; blue/yellow; green/yellow; and brown/orange/purple.

Accurate perception of color is important as many activities are oriented toward learning colors and using colors in coloring, drawing, labeling. Often reading materials are color oriented and accompanying workbook activities require accurate color perception. Color is often used to provide emphasis or to clarify instructions. In daily living, color perception is used to match outfits, match socks, and play many card games. 

Strategies/Possible Suggestions:

• Use black marker to make bold lines around area to be colored.
• Adapt maps with symbols
• Label crayons (may need to use large/bold font)
• Adapt any assignments requiring color coding
• Adapt games that are dependent on color
  
• Use a label system to label color of clothing
  
• Teach the student color concepts (ex. the sky is blue, bananas are yellow, etc.)

Handwriting

A student's handwriting abilities should also be assessed in the functional vision assessment. Handwriting can be particularly difficult for students with low vision because it requires hand-eye coordination in a sometimes uncomfortable working posture. Some students can write legibly but have difficulty reading their own handwriting; therefore, students should be asked to read material that they have written, especially material that has been written several days before and is no longer familiar. Tasks such as writing a letter to a friend, making a grocery list, or entering homework assignments on a daily schedule will reflect a student's handwriting skills. Students should be encouraged to select their own handwriting tools and paper, and the teacher should explore the efficiency of these and other options. 

Use of Technology

Discuss the technology used by the student. What are the student's skills with keyboarding? What other types of technology does the student use? Include the student's ability to use other forms of technology, word processing, social networking and cell phones.

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TVI’s Guide to Teaching the ECC: An Activities Based Curriculum for Teaching Students who are Blind or Visually Impaired
The TVI’s Guide to Teaching the ECC is a digital pdf available for download. It is designed specifically for fellow itinerant Teachers of Students with Visual Impairments (TVI’s), and 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. 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.


In addition to the book, the following two supplements are included:
·      TVI’s Guide to the ECC Concept Checklist
·      TVI’s Guide to the ECC Activities Checklist


For complete product details and additional images, visit the TVI's Guide product page.


TVI's Guide to the ECC Product details
·      Digital pdf download: 346 pages (11 pt font)
·      Publisher: Teaching Students with Visual Impairments
·      Author: Carmen Willings
·      Language: English


Visual Efficiency & Near Magnifier Fluency Worksheets: TVI's Guide to the ECC Grab and Go Supplements
The Near Magnifier Fluency Worksheets is a Grab and Go supplement to the TVI's Guide to Teaching the ECC. 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 companion 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.  


For complete product details and additional images, visit the Visual Efficiency & Near Magnifier Product Page.


Visual Efficiency & Near Magnifier Fluency Worksheet Details:
·      Digital pdf download: 210 pages
·      Publisher: Teaching Students with Visual Impairments
·      Author: Carmen Willings
·      Language: English


Thematic Keyboarding & Braille Fluency and Maintenance Worksheets: A TVI’s Guide to Teaching the ECC Grab & go Supplement
The Thematic Keyboarding & Braille Fluency and Maintenance Grab and Go ECC worksheet packet is a print on demand workbook that contains worksheets in print and simulated braille to use for data collection. Present the student with a hard braille copy and use the worksheets to document accuracy and fluency in reading braille. As a companion to the TVI’s Guide to the ECC, the worksheets correspond to the ECC Thematic activities presented in the curriculum guide. These word lists and sentences will help the student refine their keyboarding or braille reading skills while bridging ECC concepts presented in the thematic units. Although the lists and passages can be produced using a manual braillewriter, you may also copy and paste the passages into any braille translation software for quick production on an embosser. They may also be entered into a typing program such as APH’s Talking Typer to build keyboarding fluency.


For complete product details and additional images, visit the Thematic Keyboarding & Braille Fluency & Maintenance Product Page


Thematic Keyboarding & Braille Fluency Worksheet Details:
·      Digital pdf download: 338-page print and simulated braille worksheets
·      Publisher: Teaching Students with Visual Impairments
·      Author: Carmen Willings
·      Language: English


Thematic Vocabulary Cards and Checklists: Grab & Go ECC Supplement
The Thematic Vocabulary Cards and Checklists Grab and Go ECC supplement is a 446 page pdf downloadable print on demand workbook that includes 2940 vocabulary card on 3 1/2" x 2" templates divided by each of the 32 Thematic Units along with a checklist of each unit words in print and simulated braille. As a companion to the TVI's Guide to the ECC, the vocabulary cards correspond to the ECC Thematic activities presented in the curriculum guide. 


Additional Use:
Teachers of Students with Visual Impairments can have a extremely varied caseloads. It is possible to go several years without having a student on your caseload who requires braille instruction. Like other skills, if you do not practice your braille regularly, it is easy to lose those skills. Use these checklists and cards to maintain your braille skills. Fold the checklist along the line dividing the print from the braille. Choose to either read the print and produce the word in braille using a braillewriter or read the simulated braille and decode it. Finally, these vocabulary cards and checklists may be used with family members or peers who are interested in learning and practicing the braille code.


For complete product details and additional images, visit the Thematic Vocabulary Cards & Checklists Product Page


Thematic Vocabulary Cards and Checklists Details:
·      Digital pdf download: 446-page print on demand resource
·      Publisher: Teaching Students with Visual Impairments
·      Author: Carmen Willings
·      Language: English


BONUS!
Lotto Cards
The LOTTO Cards Grab and Go Supplement includes 37 theme related unit cards along with activity suggestions that support activities within the TVI's Guide to Teaching the ECC.


On My Way File Folder Cards
Print and use these cards to represent locations the student may visit that are related to the current thematic unit. Use these with the On My Way File Folder Game outlined in the TVI's Guide to Teaching the ECC p. 27.

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