Browse Health
Ophthalmologist (eyes)
6 years of experience
Accepting new patients

Education ?

Medical School Score Rankings
Harvard University (2004)
  • Currently 4 of 4 apples
Top 25%

Awards & Distinctions ?

Awards  
HHMI-NIH Research Scholars Program and Continued Support Fellowship
Phi Beta Kappa
Associations
American Board of Ophthalmology
American Society of Retina Specialists

Affiliations ?

Dr. Chong is affiliated with 17 hospitals.

Hospital Affilations

Score

Rankings

  • Children's Medical Center of Dallas
    1935 Motor St, Dallas, TX 75235
    • Currently 4 of 4 crosses
    Top 25%
  • UT Southwestern University Hospital - Zale Lipshy
    5151 Harry Hines Blvd, Dallas, TX 75235
    • Currently 4 of 4 crosses
    Top 25%
  • Baylor University Medical Center
    3500 Gaston Ave, Dallas, TX 75246
    • Currently 4 of 4 crosses
    Top 25%
  • UT Southwestern University Hospital - St. Paul
    5909 Harry Hines Blvd, Dallas, TX 75235
    • Currently 4 of 4 crosses
    Top 25%
  • Texas Health Presbyterian Hospital Of Dallas
    8200 Walnut Hill Ln, Dallas, TX 75231
    • Currently 3 of 4 crosses
    Top 50%
  • Texas Health Arlington Memorial Hospital
    800 W Randol Mill Rd, Arlington, TX 76012
    • Currently 3 of 4 crosses
    Top 50%
  • Texas Health Presbyterian Hospital Allen
    1105 Central Expy N, Allen, TX 75013
    • Currently 3 of 4 crosses
    Top 50%
  • Parkland Health & Hospital System
    5201 Harry Hines Blvd, Dallas, TX 75235
    • Currently 1 of 4 crosses
  • Harris Methodist - Springwood
    1608 Hospital Pkwy, Bedford, TX 76022
  • UT Southwestern St. Paul Hospital
  • Univ TX Southwestern Med Ctr
    5323 Harry Hines Blvd, Dallas, TX 75390
  • Children S Medical Center
  • Dallas County Hospital District
  • Texas Health Dallas
  • John Peter Smith Health Network
  • Veterans Affairs North Texas Health Care System
    4500 S Lancaster Rd, Dallas, TX 75216
  • University Of Texas Southwestern University Hospitals
  • Publications & Research

    Dr. Chong has contributed to 10 publications.
    Title Characterization of Sterile Intraocular Inflammatory Responses After Intravitreal Bevacizumab Injection.
    Date December 2010
    Journal Retina (philadelphia, Pa.)
    Excerpt

    The purpose of this study was to determine the frequency and characteristics of sterile intraocular inflammation occurring after intravitreal bevacizumab (IVB) (Avastin, Genentech, South San Francisco, CA) injection and to analyze whether a repeat IVB or intravitreal ranibizumab (IVR) (Lucentis, Genentech) injection after an episode of postinjection inflammation elicits a repeat inflammatory reaction.

    Title The Declining Use of Scleral Buckling with Vitrectomy for Primary Retinal Detachments.
    Date September 2010
    Journal Archives of Ophthalmology
    Title Analysis of Bone-prosthesis Interface Micromotion for Cementless Tibial Prosthesis Fixation and the Influence of Loading Conditions.
    Date July 2010
    Journal Journal of Biomechanics
    Excerpt

    A lack of initial stability of the fixation is associated with aseptic loosening of the tibial components of cementless knee prostheses. With sufficient stability after surgery, minimal relative motion between the prosthesis and bone interfaces allows osseointegation to occur thereby providing a strong prosthesis-to-bone biological attachment. Finite element modelling was used to investigate the bone-prosthesis interface micromotion and the relative risk of aseptic loosening. It was anticipated that by prescribing different joint loads representing gait and other activities, and the consideration of varying tibial-femoral contact points during knee flexion, it would influence the computational prediction of the interface micromotion. In this study, three-dimensional finite element models were set up with applied loads representing walking and stair climbing, and the relative micromotions were predicted. These results were correlated to in-vitro measurements and to the results of prior retrieval studies. Two load conditions, (i) a generic vertical joint load of 3 x body weight with 70%/30%M/L load share and antero-posterior/medial-lateral shear forces, acted at the centres of the medial and lateral compartments of the tibial tray, and (ii) a peak vertical joint load at 25% of the stair climbing cycle with corresponding antero-posterior shear force applied at the tibial-femoral contact points of the specific knee flexion angle, were found to generate interface micromotion responses which corresponded to in-vivo observations. The study also found that different loads altered the interface micromotion predicted, so caution is needed when comparing the fixation performance of various reported cementless tibial prosthetic designs if each design was evaluated with a different loading condition.

    Title Vitreous Metastases of Primary Cutaneous B-cell Lymphoma.
    Date January 2010
    Journal Ocular Immunology and Inflammation
    Excerpt

    To describe two cases of vitreous metastases of primary cutaneous B-cell lymphoma (PCBCL).

    Title Vitreous Penetration of Orally Administered Famciclovir.
    Date June 2009
    Journal American Journal of Ophthalmology
    Excerpt

    To determine the vitreous penetration of penciclovir (Denavir; GlaxoSmithKline, Philadelphia, Pennsylvania, USA) after oral administration of the prodrug famciclovir (Famvir; Novartis Pharmaceuticals Corp, East Hanover, New Jersey, USA).

    Title Interleukin-6 As a Photoreceptor Neuroprotectant in an Experimental Model of Retinal Detachment.
    Date July 2008
    Journal Investigative Ophthalmology & Visual Science
    Excerpt

    PURPOSE: To test the hypothesis that interleukin (IL)-6 prevents photoreceptor cell death during periods of retinal separation from the retinal pigment epithelium (RPE). METHODS: Retinal-RPE separation was created in wild-type C57BL mice, IL-6(-/-) mice, and Brown Norway rats by subretinal injection of 1% hyaluronic acid. In some animals, anti-IL-6 neutralizing antibody (NAB) or exogenous IL-6 was administered into the subretinal space at the time of separation or at specified times afterward. Terminal deoxynucleotidyl transferase dUTP nick-end labeling (TUNEL) was performed 3 days after separation to detect apoptotic photoreceptors. Photoreceptor cell counts were performed after 1 and 2 months. RESULTS: Loss of IL-6 function through genetic ablation (IL-6(-/-) mice) or injection of anti-IL-6 NAB resulted in significantly increased levels of TUNEL-positive staining 3 days after retinal-RPE separation. One month after separation, outer nuclear layer (ONL) cell counts were significantly lower in IL-6(-/-) mice or in animals injected with anti-IL-6 NAB than in controls. Gain of IL-6 function through the addition of exogenous IL-6 resulted in significantly increased ONL counts at 1 month but not at 2 months. Reinjection of IL-6 at 1 month led to continued preservation of ONL counts compared with controls. A window of opportunity for treatment was detected because delaying injection of exogenous IL-6 to 2 weeks after retinal-RPE separation still resulted in significantly greater ONL cell counts compared with controls. CONCLUSIONS: IL-6 may serve as a photoreceptor neuroprotectant in the setting of retinal-RPE separation.

    Title Optic Disc Edema, Cystoid Macular Edema, and Elevated Vascular Endothelial Growth Factor in a Patient with Poems Syndrome.
    Date December 2007
    Journal Journal of Neuro-ophthalmology : the Official Journal of the North American Neuro-ophthalmology Society
    Excerpt

    A 48-year-old man with polyneuropathy, organomegaly, endocrinopathy, monoclonal gammopathy, and skin changes (POEMS) syndrome had bilateral optic disc edema (ODE), bilateral cystoid macular edema (CME), anasarca, and elevated serum vascular endothelial growth factor (VEGF). This is the first reported example of ophthalmoscopic, angiographic, and optical coherence tomographic evidence of the combination of ODE and CME in this syndrome. This combination of features suggests that the ODE in this condition may be due to increased vascular permeability.

    Title Papilledema in Obstructive Hydrocephalus Caused by Giant Cell Astrocytoma of Tuberous Sclerosis.
    Date May 2007
    Journal Journal of Neuro-ophthalmology : the Official Journal of the North American Neuro-ophthalmology Society
    Excerpt

    A 5-year-old girl with progressive hemiparesis and headache was found by brain imaging to have a large tumor centered at the foramen of Monro, blocking cerebrospinal outflow and producing massive lateral ventriculomegaly. Total excision of the mass led to a pathologic diagnosis of giant cell astrocytoma. Dermatologic abnormalities had been detected shortly after birth but were unexplained. Abdominal imaging disclosed renal cysts, and ophthalmologic examination disclosed papilledema and retinal plaques. On this basis, a diagnosis of tuberous sclerosis (TS) was finally made. Two months after surgery, papilledema had resolved, and visual function appeared to be normal. Although the patient apparently escaped visual loss, other reports affirm that giant cell astrocytoma, a common tumor in TS, may go undetected for long enough to produce irreversible optic neuropathy from chronic papilledema. Because patients with TS may not report visual loss, they should undergo periodic ophthalmologic screening.

    Title Orbital Rhabdomyosarcoma in Li-fraumeni Syndrome.
    Date May 2007
    Journal Archives of Ophthalmology
    Title The Clinical Implication of the Vocal Cords-carina Distance in Anaesthetized Chinese Adults During Orotracheal Intubation.
    Date October 2006
    Journal British Journal of Anaesthesia
    Excerpt

    BACKGROUND: Previous studies have identified no strong correlation between patients' height and tracheal length in anaesthetized patients. We have attempted to compare vocal cords-carina distance (VCD) in Chinese patients with the dimensions of five commonly used tracheal tubes. In addition, we attempted to find a surface anatomy measurement that would identify patients with 'short tracheas'. METHODS: We measured VCD in 130 anaesthetized Chinese patients with a fibreoptic bronchoscope. Also measurements were obtained of the distal ends of five commonly used tracheal tubes. We undertook various surface anatomy measurements on the patients' chest and neck region to predict those patients with short tracheas. RESULTS: VCD averaged 12.6 (SD 1.4) cm. In seven patients (5%) this distance was particularly short (between 8.8 and 10.4 cm). Many of the commonly used tracheal tubes would be placed close to or beyond the carina when the black intubation guide mark(s) is (are) at the level of the vocal cords. The VCD of <or=11 cm (short trachea) could be predicted by patient height of <or=167.5 cm and a thyrosternal distance of <or=28.5 cm with limited reliability. CONCLUSIONS: A significant number of patients with short VCD in our study group could be at risk of endobronchial intubation with many of the tracheal tubes. Patient height and thyrosternal distance can be useful in predicting short tracheas.

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