Functional Vision Assessment

Topics: Visual perception, Ophthalmology, Attention Pages: 7 (1707 words) Published: October 27, 2010
Functional Vision Assessment

Name: MAC

D.O.B.: July 14, 1995

Age: 15

Date of Evaluation: September 22, 2010 to October 18, 2010

Date of Report: October 19, 2010

Grade: 8th grade/ungraded

Student Background

Mac is a 15 year old young man. He has visual impairment and multiple disabilities. He has a diagnosis of Downs Syndrome and seizure disorder. Mac’s low vision report by Dr. Mayer in January 5, 2009 indicates that he has intermittent large angle estropia (inward eye turn) and intermittent nystagmus (involuntary rhythmic shaking). In the report it says that his visual acuity is 20/270 with both eyes viewing. Mac’s vision report in January 15, 2009 by Dr. Baglieri indicates that he has a visual acuity 20/180 to 20/130 with both eyes viewing. These results were obtained using the Preferential Looking test. There was a question about Mac’s lack of visual attention. Dr. Mayer said that Mac “should be considered to have a form of cortical/cerebral visual impairment (CVI), characterized as visually avoidant/inattentive, and with stronger responses to auditory than visual stimulation.”

Mac’s mobility is limited due to physical limitations and visual impairment. He is unstable while walking and requires some adult guidance for safety. However, Mac has well enough functional vision to walk independently in familiar and less cluttered environment. He is able to pick up objects from the floor (i.e. g-tube, toy keys, beaded toys), table or take things from people when motivated. Mac prefers to use his peripheral visual field when viewing things.

Mac also presents cognitive impairment, communication disorder as well as social and behavioral challenges.

Purpose for the Assessment:

A Functional Vision Assessment is conducted for Mac in order to establish a good baseline of functioning and to determine any necessary additional modifications strategies to help his overall performance. No Functional Vision Assessment has been conducted on Mac in the past.

Assessment Strategies:

* Observation of the student in the classroom during table top activities and various free/choice times.

* Interviews with Mac’s direct service providers (teachers, aids, therapists), and Mac’s mother.

* Review of selected student records.

Environmental Conditions:

The observation and testing area for the Functional Vision Assessment was done in Mac’s classroom. Mac’s Classroom is small but is adequately spaces out given the small group of students in the class. The classroom is divided into centers using tactile markers, shelves, rugs, and desks. The room has many objects of various sizes and colors and is visually complex. The room is well lit with fluorescent lighting and lots of windows that provide extra lighting. The room receives direct sunlight; but there are heavy curtains to block out excessive light. Therefore, glare is not an issue with the windows.


Learning Style: Mac is a complex young man who is challenged not only by his visual impairment, but by other global disabilities and health issues. Sometimes, he is inattentive to things presented to him and appears uninterested. He has a short attention span and tolerance for things and people. Mac responds more consistently to a highly structured routine and learns skills given repetitive opportunities to learn them. It appears that Mac’s primary learning media is through his auditory channel. He uses his visual channel to locate objects, but when exploring objects, he usually uses his auditory and tactual channels.

Appearance of Eyes: Mac has beautiful green/brown eyes with long lashes. He keeps his eyes and head tilted to either side and up when he is walking around the classroom or sitting on his chair. Sometimes, he keeps his head down while sitting.

Muscle Control: Mac’s nystagmus is observed in the classroom. Mac’s eyes sometimes move left to right in a fast “shaking” motion. When asked to look at objects, sometimes, his...
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