Authors
Chan, Tiffany L.; Goldstein, Judith E.; Massof, Robert W. the Low Vision Research Network Study Group

Comparison of Clinician-Predicted to Measured Low Vision Outcomes

publication date
Category
see more

Abstract/Introduction

Purpose 

To compare low-vision rehabilitation (LVR) clinicians’ predictions of the probability of success of LVR with patients’ self-reported outcomes after provision of usual outpatient LVR services and to determine if patients’ traits influence clinician ratings.

Methods 

The Activity Inventory (AI), a self-report visual function questionnaire, was administered pre-and post-LVR to 316 low-vision patients served by 28 LVR centers that participated in a collaborative observational study. The physical component of the Short Form-36, Geriatric Depression Scale, and Telephone Interview for Cognitive Status were also administered pre-LVR to measure physical capability, depression, and cognitive status. After patient evaluation, 38 LVR clinicians estimated the probability of outcome success (POS) using their own criteria. The POS ratings and change in functional ability were used to assess the effects of patients’ baseline traits on predicted outcomes.


Conclusion/Results

Results 

A regression analysis with a hierarchical random-effects model showed no relationship between LVR physician POS estimates and AI-based outcomes. In another analysis, kappa statistics were calculated to determine the probability of agreement between POS and AI-based outcomes for different outcome criteria. Across all comparisons, none of the kappa values were significantly different from 0, which indicates that the rate of agreement is equivalent to chance. In an exploratory analysis, hierarchical mixed-effects regression models show that POS ratings are associated with information about the patient’s cognitive functioning and the combination of visual acuity and functional ability, as opposed to visual acuity or functional ability alone.

Conclusions 

Clinicians’ predictions of LVR outcomes seem to be influenced by knowledge of patients’ cognitive functioning and the combination of visual acuity and functional ability—information clinicians acquire from the patient’s history and examination. However, clinicians’ predictions do not agree with observed changes in functional ability from the patient’s perspective; they are no better than chance.


Testimonials


  • My eight year old daughter was terrified to go to the eye doctor for fear of her eyes being dilated. The doctor was SO KID friendly! He immediately made her comfortable by engaging her in conversation. It was a geat experience.


    Joya B.

  • Dr. Garbus spent an amazing amount of time to solve my very complicated visual problems. Over the years he has continually achieved results beyond what others felt possible. He is always up to date on the latest science. He is great!


    Dolores K.

  • Family Vision Care Valencia makes it so easy. Staff is knows what they are doing and Dr. Garbus is thorough and kept me well informed during the exam.


    Kristy B.

  • I have been coming to Family Vision Center for almost 20 years. Dr. Garbus has been able to help my vision when other doctors could not. Now my kids see him as well. I highly recommend this office!


    Autumn C.

  • The Doctor is very good. I felt on this visit he seemed rushed. I had questions to ask him but he was already with another patient. I still do not know if my eyes are the same , worse, or better.


    Howard B.

Testimonials


My eight year old daughter was terrified to go to the eye doctor for fear of her eyes being dilated. The doctor was SO KID friendly! He immediately made her comfortable by engaging her in conversation. It was a geat experience.


Joya B.

Dr. Garbus spent an amazing amount of time to solve my very complicated visual problems. Over the years he has continually achieved results beyond what others felt possible. He is always up to date on the latest science. He is great!


Dolores K.

Family Vision Care Valencia makes it so easy. Staff is knows what they are doing and Dr. Garbus is thorough and kept me well informed during the exam.


Kristy B.

I have been coming to Family Vision Center for almost 20 years. Dr. Garbus has been able to help my vision when other doctors could not. Now my kids see him as well. I highly recommend this office!


Autumn C.

The Doctor is very good. I felt on this visit he seemed rushed. I had questions to ask him but he was already with another patient. I still do not know if my eyes are the same , worse, or better.


Howard B.

All the staff is friendly, helpful and knowledgeable, and has been for all the years I have been going there.


Mary Ann H.
1 2 3 13

Blog

Santa Clarita congratulation

Family Vision Care Optometry is now Amplify EyeCare Santa Clarita, led by Dr. Carl Garbus

Dear Patient,  As you may have noticed, we recently rebranded from Family Vision Care Optometry to Amplify EyeCare Santa Clarita. Even though our name has changed, our dedicated optometrists Dr.Carl Garbus and Dr.Lilia Babakhan will continue to provide exceptional patient care. We will maintain the high quality of patient care with our dedicated staff of […]

Read More
pexels-ksenia-chernaya-5765759

What is Behavioral Optometry?

Behavioral optometry employs an integrated approach to treatment that views the individual as more than a refractive error, a patient, or visual issue. Extending traditional eyecare beyond 20/20 vision. What is Behavioral Optometry? We are more than just our eyes. However, some of us may experience vision based problems. When most people think of eye-related […]

Read More
renshaw (1)

The Thatcher Effect Illusion

Does this person look normal to you? How about now? The eyes, and the brain, can fall prey to a range of optical illusions, for a variety of reasons. One such illusion is known as the Thatcher Effect. Named for former British Prime Minister Margaret Thatcher, since it was a photo of her that was […]

Read More
see all blogs

Contact Us To Amplify Your EyeCare

Working Hours

Monday - Thursday
8:00 am - 5:15pm
friday-sunday
Closed
Location
28089 Smyth Drive Santa Clarita, CA 91355
Website Accessibility Policy
Safety protocols page
Amplify Eyecare Santa Clarita phone-handsetarrow-uparrow-right linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram