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Jessica Kvansakul

Explore the profile of Jessica Kvansakul including associated specialties, affiliations and a list of published articles. Areas
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Articles 9
Citations 126
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Recent Articles
1.
Petoe M, Abbott C, Titchener S, Kolic M, Kentler W, Nayagam D, et al.
Ophthalmol Sci . 2024 Sep; 5(1):100525. PMID: 39328823
Purpose: To assess the feasibility of a second-generation (44-channel) suprachoroidal retinal prosthesis for provision of functional vision in recipients with end-stage retinitis pigmentosa (RP) over 2.7 years. Design: Prospective, single-arm,...
2.
Titchener S, Goossens J, Kvansakul J, Nayagam D, Kolic M, Baglin E, et al.
Transl Vis Sci Technol . 2023 Mar; 12(3):20. PMID: 36943168
Purpose: Accurate mapping of phosphene locations from visual prostheses is vital to encode spatial information. This process may involve the subject pointing to evoked phosphene locations with their finger. Here,...
3.
Titchener S, Nayagam D, Kvansakul J, Kolic M, Baglin E, Abbott C, et al.
Transl Vis Sci Technol . 2022 Jun; 11(6):12. PMID: 35696133
Purpose: To report the long-term observations of the electrode-tissue interface and perceptual stability in humans after chronic stimulation with a 44-channel suprachoroidal retinal implant. Methods: Four subjects (S1-4) with end-stage...
4.
Petoe M, Titchener S, Kolic M, Kentler W, Abbott C, Nayagam D, et al.
Transl Vis Sci Technol . 2021 Sep; 10(10):12. PMID: 34581770
Purpose: To report the initial safety and efficacy results of a second-generation (44-channel) suprachoroidal retinal prosthesis at 56 weeks after device activation. Methods: Four subjects, with advanced retinitis pigmentosa and...
5.
Karapanos L, Abbott C, Ayton L, Kolic M, McGuinness M, Baglin E, et al.
Transl Vis Sci Technol . 2021 Aug; 10(10):7. PMID: 34383875
Purpose: In a clinical trial (NCT03406416) of a second-generation (44-channel) suprachoroidal retinal prosthesis implanted in subjects with late-stage retinitis pigmentosa (RP), we assessed performance in real-world functional visual tasks and...
6.
Titchener S, Kvansakul J, Shivdasani M, Fallon J, Nayagam D, Epp S, et al.
Transl Vis Sci Technol . 2021 Jan; 9(13):31. PMID: 33384885
Purpose: To investigate oculomotor behavior in response to dynamic stimuli in retinal implant recipients. Methods: Three suprachoroidal retinal implant recipients performed a four-alternative forced-choice motion discrimination task over six sessions...
7.
Kvansakul J, Hamilton L, Ayton L, McCarthy C, Petoe M
J Neural Eng . 2020 Jun; 17(4):045001. PMID: 32554868
Objective: Retinal prosthesis recipients require rehabilitative training to learn the non-intuitive nature of prosthetic 'phosphene vision'. This study investigated whether the addition of auditory cues, using The vOICe sensory substitution...
8.
Kvansakul J, Rodriguez-Carmona M, Edgar D, Barker F, Kopcke W, Schalch W, et al.
Ophthalmic Physiol Opt . 2006 Jun; 26(4):362-71. PMID: 16792735
Background: Macular pigment (MP) is found in diurnal primate species when vision spans a range of ambient illumination and is mediated by cone and rod photoreceptors. The exact role of...
9.
Rodriguez-Carmona M, Kvansakul J, Harlow J, Kopcke W, Schalch W, Barbur J
Ophthalmic Physiol Opt . 2006 Feb; 26(2):137-47. PMID: 16460314
Background: Both yellow-blue (YB) discrimination thresholds and macular pigment optical density (MPOD) measurements in the eye exhibit large variability in the normal population. Although it is well established that selective...