Ava Katherine Bittner

Title(s)Professor-in-residence, Ophthalmology
SchoolMedicine
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    Ava K, Bittner, O.D., Ph.D., holds the Smotrich Family Optometric Clinician-Scientist Chair.

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    Development of a Behavioral Intervention with Socially Assistive Robots to Enhance Magnification Device Use for Reading
    NIH R21EY031126Feb 1, 2020 - Jan 31, 2022
    Role: Principal Investigator
    Beacon Sensors and Telerehabilitation to Assess and Improve use of Devices for visual functioning (BeST-AID)
    NIH R21EY029883Sep 1, 2019 - Aug 31, 2021
    Role: Principal Investigator
    Modulating Ocular/Retinal Blood Flow and Visual Function in Retinitis Pigmentosa
    NIH R21EY023720Sep 30, 2013 - Aug 31, 2016
    Role: Principal Investigator
    Training in Clinical Trials for Subjects with Low Vision
    NIH K23EY018356Sep 1, 2007 - Aug 31, 2013
    Role: Principal Investigator

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    Collapse Clinical Trials

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Life space limitations in visually impaired older adults. Optom Vis Sci. 2024 Jun 01; 101(6):321-328. Bittner AK, Gobeille M, Malkin AG, Ho J, Idman-Rait C, Estabrook M, Ross NC, CARE Study Team. PMID: 38990234.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    2. Factors related to training time and achieving proficiency with visual-assistive mobile applications in visually impaired older adults. Optom Vis Sci. 2024 May 31. Malkin AG, Bittner AK, Ho J, Idman-Rait C, Estabrook M, Ross NC, CARE Study Team. PMID: 38820379.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    3. Outcomes of Telerehabilitation Versus In-Office Training With Magnification Devices for Low Vision: A Randomized Controlled Trial. Transl Vis Sci Technol. 2024 01 02; 13(1):6. Bittner AK, Kaminski JE, Yoshinaga PD, Shepherd JD, Chan TL, Malkin AG, Deemer A, Gobeille M, Thoene SJ, Rossi A, Ross NC, BeST-AID Study Team. PMID: 38214688; PMCID: PMC10790671.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    4. Retinal mid-peripheral capillary free zones are enlarged in cognitively unimpaired older adults at high risk for Alzheimer's disease. Alzheimers Res Ther. 2023 10 12; 15(1):172. Arthur E, Ravichandran S, Snyder PJ, Alber J, Strenger J, Bittner AK, Khankan R, Adams SL, Putnam NM, Lypka KR, Piantino JA, Sinoff S. PMID: 37828548; PMCID: PMC10568786.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    5. Value of Handheld Optical Illuminated Magnifiers for Sustained Silent Reading by Visually Impaired Adults. Optom Vis Sci. 2023 05 01; 100(5):312-318. Kaminski JE, Yoshinaga PD, Chun MW, Yu M, Shepherd JD, Chan TL, Deemer A, Bittner AK, BeST-AID Study Team. PMID: 36951854; PMCID: PMC10205671.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    6. New insights into visually impaired patients' preferred reading illumination and home-based reading speed with new task-lighting. Ophthalmic Physiol Opt. 2023 07; 43(4):640-648. McIntosh S, Yu M, Estabrook M, Bittner AK. PMID: 36806302.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    7. Telerehabilitation for people with low vision. Cochrane Database Syst Rev. 2023 01 13; 1:CD011019. Bittner AK, Yoshinaga PD, Rittiphairoj T, Li T. PMID: 36637057; PMCID: PMC9837841.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    8. Telerehabilitation Training to Facilitate Improved Reading Ability with New Magnification Devices for Low Vision. Optom Vis Sci. 2022 10 01; 99(10):743-749. Bittner AK, Kaminski JE, Ross NC, Shepherd JD, Thoene SJ, Bui SZ, Yoshinaga PD, BeST-AID Study Team. PMID: 36067410; PMCID: PMC10062923.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    9. Acceptability of Telerehabilitation for Magnification Devices for the Visually Impaired Using Various Approaches to Facilitate Accessibility. Transl Vis Sci Technol. 2022 08 01; 11(8):4. Bittner AK, Yoshinaga PD, Shepherd JD, Kaminski JE, Malkin AG, Chun MW, Chan TL, Deemer AD, Ross NC, BeST-AID Study Team. PMID: 35917136; PMCID: PMC9358294.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCTClinical Trials
    10. Why Are Visual Assistive Mobile Applications Underused by Low Vision Patients? Optom Vis Sci. 2022 04 01; 99(4):333-334. Malkin AG, Ross NC, Chun MW, Bittner AK, CARE Study Team. PMID: 35213868.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    11. Use and Perceptions of Advanced Driver Assistance Systems by Older Drivers With and Without Age-Related Macular Degeneration. Transl Vis Sci Technol. 2022 03 02; 11(3):22. Deffler RA, Xu J, Bittner AK, Bowers AR, Hassan SE, Ross N, Cooley SL, Doubt A, Davidorf FH, Dougherty BE, RADARS Study Group. PMID: 35311930; PMCID: PMC8944390.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    12. Bluetooth Low Energy Beacon Sensors to Document Handheld Magnifier Use at Home by People with Low Vision. Sensors (Basel). 2021 Oct 25; 21(21). Bittner AK, Estabrook M, Dennis N. PMID: 34770374; PMCID: PMC8587623.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    13. A Unified Rule for Binocular Contrast Summation Applies to Normal Vision and Common Eye Diseases. Invest Ophthalmol Vis Sci. 2021 10 04; 62(13):6. Xiong YZ, Liu R, Kwon M, Bittner AK, Owsley C, Legge GE. PMID: 34636877; PMCID: PMC8525828.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    14. Validation of Computer-Adaptive Contrast Sensitivity as a Tool to Assess Visual Impairment in Multiple Sclerosis Patients. Front Neurosci. 2021; 15:591302. Rosenkranz SC, Kaulen B, Zimmermann HG, Bittner AK, Dorr M, Stellmann JP. PMID: 33708068; PMCID: PMC7940823.
      View in: PubMed   Mentions: 6  
    15. Improvements in Test-Retest Variability of Static Automated Perimetry by Censoring Results With Low Sensitivity in Retinitis Pigmentosa. Transl Vis Sci Technol. 2020 11; 9(12):26. Bittner AK, Mistry A, Nehmad L, Khan R, Dagnelie G. PMID: 33244446; PMCID: PMC7683849.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    16. Relationship Between Acuity and Contrast Sensitivity: Differences Due to Eye Disease. Invest Ophthalmol Vis Sci. 2020 Jun 03; 61(6):40. Xiong YZ, Kwon M, Bittner AK, Virgili G, Giacomelli G, Legge GE. PMID: 38755787; PMCID: PMC7415312.
      View in: PubMed   Mentions:    Fields:    
    17. Telerehabilitation for people with low vision. Cochrane Database Syst Rev. 2020 02 27; 2:CD011019. Bittner AK, Yoshinaga PD, Wykstra SL, Li T. PMID: 32102114; PMCID: PMC7043933.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    18. U.S. Optometrists' Reported Practices and Perceived Barriers for Low Vision Care for Mild Visual Loss. Optom Vis Sci. 2020 01; 97(1):45-51. Malkin AG, Ross NC, Chan TL, Protosow K, Bittner AK. PMID: 31895277.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    19. Reliability of Mesopic Measures of Visual Acuity and Contrast Sensitivity and Their Correlation with Rod and Cone Function in Retinitis Pigmentosa. Ophthalmic Res. 2020; 63(2):133-140. Bittner AK, Ferraz MC. PMID: 31805550; PMCID: PMC10053993.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansCells
    20. Reliability of Semiautomated Kinetic Perimetry (SKP) and Goldmann Kinetic Perimetry in Children and Adults With Retinal Dystrophies. Transl Vis Sci Technol. 2019 May; 8(3):36. Barnes CS, Schuchard RA, Birch DG, Dagnelie G, Wood L, Koenekoop RK, Bittner AK. PMID: 31211001; PMCID: PMC6561130.
      View in: PubMed   Mentions: 6     Fields:    
    21. PREVALENCE OF VITREOMACULAR ADHESION IN PATIENTS WITHOUT MACULOPATHY OLDER THAN 40 YEARS. Retina. 2018 Oct; 38(10):2056-2063. Rodman JA, Shechtman D, Sutton BM, Pizzimenti JJ, Bittner AK, VAST Study Group. PMID: 28806215.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    22. Feasibility of Using Bluetooth Low Energy Beacon Sensors to Detect Magnifier Usage by Low Vision Patients. Optom Vis Sci. 2018 09; 95(9):844-851. Bittner AK, Jacobson AJ, Khan R. PMID: 30169359.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    23. Subjective and Objective Measures of Daytime Activity and Sleep Disturbance in Retinitis Pigmentosa. Optom Vis Sci. 2018 09; 95(9):837-843. Bittner AK, Haythornthwaite JA, Patel C, Smith MT. PMID: 30169358; PMCID: PMC6121737.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    24. Feasibility of Telerehabilitation for Low Vision: Satisfaction Ratings by Providers and Patients. Optom Vis Sci. 2018 09; 95(9):865-872. Bittner AK, Yoshinaga P, Bowers A, Shepherd JD, Succar T, Ross NC. PMID: 30169361.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    25. Longevity of visual improvements following transcorneal electrical stimulation and efficacy of retreatment in three individuals with retinitis pigmentosa. Graefes Arch Clin Exp Ophthalmol. 2018 Feb; 256(2):299-306. Bittner AK, Seger K. PMID: 29222719; PMCID: PMC6039224.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    26. Randomized controlled trial of electro-stimulation therapies to modulate retinal blood flow and visual function in retinitis pigmentosa. Acta Ophthalmol. 2018 May; 96(3):e366-e376. Bittner AK, Seger K, Salveson R, Kayser S, Morrison N, Vargas P, Mendelsohn D, Han J, Bi H, Dagnelie G, Benavente A, Ramella-Roman J. PMID: 29130647; PMCID: PMC5920686.
      View in: PubMed   Mentions: 21     Fields:    Translation:Humans
    27. Reduced Central Retinal Artery Blood Flow Is Related to Impaired Central Visual Function in Retinitis Pigmentosa Patients. Curr Eye Res. 2017 11; 42(11):1503-1510. Kayser S, Vargas P, Mendelsohn D, Han J, Bi H, Benavente A, Bittner AK. PMID: 28910168; PMCID: PMC6069962.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    28. Setting Priorities for Diabetic Retinopathy Clinical Research and Identifying Evidence Gaps. Ophthalmol Retina. 2017 Mar-Apr; 1(2):94-102. Le JT, Hutfless S, Li T, Bressler NM, Heyward J, Bittner AK, Glassman A, Dickersin K. PMID: 28717786; PMCID: PMC5510756.
      View in: PubMed   Mentions: 8     Fields:    
    29. Improving graph-based OCT segmentation for severe pathology in Retinitis Pigmentosa patients. Proc SPIE Int Soc Opt Eng. 2017 Feb 11; 10137. Lang A, Carass A, Bittner AK, Ying HS, Prince JL. PMID: 28781413; PMCID: PMC5540322.
      View in: PubMed   Mentions: 10  
    30. Variability and Errors of Manually Digitized Goldmann Visual Fields. Optom Vis Sci. 2016 07; 93(7):720-30. Barry MP, Bittner AK, Yang L, Marcus R, Iftikhar MH, Dagnelie G. PMID: 27058594; PMCID: PMC4915992.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    31. Safety and Proof-of-Concept Study of Oral QLT091001 in Retinitis Pigmentosa Due to Inherited Deficiencies of Retinal Pigment Epithelial 65 Protein (RPE65) or Lecithin:Retinol Acyltransferase (LRAT). PLoS One. 2015; 10(12):e0143846. Scholl HP, Moore AT, Koenekoop RK, Wen Y, Fishman GA, van den Born LI, Bittner A, Bowles K, Fletcher EC, Collison FT, Dagnelie G, Degli Eposti S, Michaelides M, Saperstein DA, Schuchard RA, Barnes C, Zein W, Zobor D, Birch DG, Mendola JD, Zrenner E, RET IRD 01 Study Group. PMID: 26656277; PMCID: PMC4687523.
      View in: PubMed   Mentions: 35     Fields:    Translation:HumansCellsCTClinical Trials
    32. Telerehabilitation for people with low vision. Cochrane Database Syst Rev. 2015 Aug 31; 8:CD011019. Bittner AK, Wykstra SL, Yoshinaga PD, Li T. PMID: 26329308; PMCID: PMC4730549.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    33. Ashtanga-Based Yoga Therapy Increases the Sensory Contribution to Postural Stability in Visually-Impaired Persons at Risk for Falls as Measured by the Wii Balance Board: A Pilot Randomized Controlled Trial. PLoS One. 2015; 10(6):e0129646. Jeter PE, Haaz Moonaz S, Bittner AK, Dagnelie G. PMID: 26107256; PMCID: PMC4479589.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    34. Mental symptoms and quality of life in lipoprotein apheresis patients in comparison to hemodialysis patients, platelet donors and normal population. Atheroscler Suppl. 2015 May; 18:233-40. Stasiewski E, Christoph M, Christoph A, Bittner A, Weidner K, Julius U. PMID: 25936331.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansCells
    35. Response to Re: A pilot study of an acupuncture protocol to improve visual function in retinitis pigmentosa patients. Clin Exp Optom. 2015 Jan; 98(1):100. Bittner AK, Rosenfarb A, Gould J, Dagnelie G. PMID: 25545952; PMCID: PMC4476632.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    36. Oral 9-cis retinoid for childhood blindness due to Leber congenital amaurosis caused by RPE65 or LRAT mutations: an open-label phase 1b trial. Lancet. 2014 Oct 25; 384(9953):1513-20. Koenekoop RK, Sui R, Sallum J, van den Born LI, Ajlan R, Khan A, den Hollander AI, Cremers FP, Mendola JD, Bittner AK, Dagnelie G, Schuchard RA, Saperstein DA. PMID: 25030840.
      View in: PubMed   Mentions: 52     Fields:    Translation:HumansCTClinical Trials
    37. Applying theories and interventions from behavioral medicine to understand and reduce visual field variability in patients with vision loss. Med Hypotheses. 2014 Aug; 83(2):190-5. Rozanski C, Haythornthwaite JA, Dagnelie G, Bittner AK. PMID: 24854574; PMCID: PMC4104490.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    38. Telerehabilitation for people with low vision. Cochrane Database Syst Rev. 2014 Mar 10; 2014. Bittner AK, Wykstra SL, Yoshinaga PD, Li T. PMID: 25152693; PMCID: PMC4140242.
      View in: PubMed   Mentions: 4     Fields:    
    39. Improved Adherence to Vision Self-monitoring with the Vision and Memory Stimulating (VMS) Journal for Non-neovascular Age-related Macular Degeneration during a Randomized Controlled Trial. J Clin Exp Ophthalmol. 2014 Jan 22; 5(1):320. Bittner AK, Torr-Brown S, Arnold E, Nwankwo A, Beaton P, Rampat R, Dagnelie G, Roser M. PMID: 24791222; PMCID: PMC4004088.
      View in: PubMed   Mentions: 5  
    40. A pilot study of an acupuncture protocol to improve visual function in retinitis pigmentosa patients. Clin Exp Optom. 2014 May; 97(3):240-7. Bittner AK, Gould JM, Rosenfarb A, Rozanski C, Dagnelie G. PMID: 24773463; PMCID: PMC4018735.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    41. Worse-than-usual visual fields measured in retinitis pigmentosa related to episodically decreased general health. Br J Ophthalmol. 2013 Feb; 97(2):145-8. Bittner AK, Haythornthwaite JA, Diener-West M, Dagnelie G. PMID: 23212205; PMCID: PMC4001740.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    42. Orientation and mobility assessment in retinal prosthetic clinical trials. Optom Vis Sci. 2012 Sep; 89(9):1308-15. Geruschat DR, Bittner AK, Dagnelie G. PMID: 22902422; PMCID: PMC3888774.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    43. Vision test variability in retinitis pigmentosa and psychosocial factors. Optom Vis Sci. 2011 Dec; 88(12):1496-506. Bittner AK, Ibrahim MA, Haythornthwaite JA, Diener-West M, Dagnelie G. PMID: 21946786; PMCID: PMC3223543.
      View in: PubMed   Mentions: 26     Fields:    Translation:Humans
    44. Photopsias are related in part to perceived stress and positive mood in retinitis pigmentosa. Eye (Lond). 2012 Jan; 26(1):101-8. Bittner AK, Haythornthwaite JA, Diener-West M, Dagnelie G. PMID: 21997359; PMCID: PMC3259584.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    45. Test-retest, within-visit variability of Goldmann visual fields in retinitis pigmentosa. Invest Ophthalmol Vis Sci. 2011 Oct 11; 52(11):8042-6. Bittner AK, Iftikhar MH, Dagnelie G. PMID: 21896857; PMCID: PMC3208001.
      View in: PubMed   Mentions: 41     Fields:    Translation:Humans
    46. Grating acuity and contrast tests for clinical trials of severe vision loss. Optom Vis Sci. 2011 Oct; 88(10):1153-63. Bittner AK, Jeter P, Dagnelie G. PMID: 21747309; PMCID: PMC3183246.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    47. Characteristics and possible visual consequences of photopsias as vision measures are reduced in retinitis pigmentosa. Invest Ophthalmol Vis Sci. 2011 Aug 11; 52(9):6370-6. Bittner AK, Diener-West M, Dagnelie G. PMID: 21693605; PMCID: PMC3176020.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    48. The artificial silicon retina in retinitis pigmentosa patients (an American Ophthalmological Association thesis). Trans Am Ophthalmol Soc. 2010 Dec; 108:120-54. Chow AY, Bittner AK, Pardue MT. PMID: 21212852; PMCID: PMC3016083.
      View in: PubMed   Mentions: 26     Fields:    Translation:HumansCells
    49. Coping strategies to manage stress related to vision loss and fluctuations in retinitis pigmentosa. Optometry. 2010 Sep; 81(9):461-8. Bittner AK, Edwards L, George M. PMID: 20591747; PMCID: PMC2926200.
      View in: PubMed   Mentions: 21     Fields:    Translation:Humans
    50. A survey of photopsias in self-reported retinitis pigmentosa: location of photopsias is related to disease severity. Retina. 2009 Nov-Dec; 29(10):1513-21. Bittner AK, Diener-West M, Dagnelie G. PMID: 19730162; PMCID: PMC2783747.
      View in: PubMed   Mentions: 18     Fields:    Translation:Humans
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