その他の臨床例- ケーススタディー

網膜静脈分枝閉塞症(BRVO)

Baseline
Patient 60 years, male presented with decreased vision. Color fundus photographs demonstrate extensive retinal hemorrhages and cotton-wool spot formation.Vein obstruction is localized at the arterial venous crossing.

Diagnosis
Medical evaluation revealed a short term history of hypertension. Moderate macular edema is also present and documented on central sub-field and superior aspect OCT.

Navilas Treatment
A series of individual focal spots and grid patterns were planned on the corresponding FA. A total of 490 laser spots were applied (100µm, average of 97mW, 100ms).

Outcome
Six weeks post-operative exam reveals a significantly flattened macula per OCT compared to baseline (upper left). VA improved to 20/20. Photos courtesy of Dr. Ober, Retinal Consultants of Michigan.

    突発性周中心窩毛細血管拡張症

    Baseline
    Patient 56 years, male presented with a vision of 20/32. Clinical ophthalmoscopy revealed a blunt foveal reflex, a small lesion in the macula. Medical evaluation was negative for diabetes or other causes of macular edema.

    Diagnosis
    Fluorescein angiography (FA) demonstrated a macular lesion with a spot of hyperfluorescence adjacent to it.

    Navilas Treatment
    Using a Navilas FA image the treatment was planned to specifically target teleangiectasia and the adjacent area. Navigated treatment was performed using 120µm, 100ms, 100mW.

    Outcome
    Post-treatment representation showing the reduction of the teleangiectasia over the period of 1 (middle) and 3 (bottom)
    months compared to intial (top). Photos courtesy of William R. Freeman, MD;University San Diego La Jolla.

      糖尿病黄斑浮腫(DME)

      Baseline
      This 65-year-old Asian male with type II diabetes presented with decreased visual acuity of 20/60 in his left eye and 20/80 in his right eye associated with macular edema.

      Diagnosis (1)
      Ocular exam revealed pre-proliferative diabetic retinopathy bilaterally with clinically significant macular edema, intraretinal hemorrhages and cotton-wool spots in both eyes.

      Diagnosis (2)
      Both eyes on Spectral OCT showed significant retinal fluid, the left eye demonstrating more.

      Navilas Treatment
      Bilateral image-stabilized treatments were planned directly on Navilas FA: Subthreshold treatment of perifoveal disease within 500 microns from the foveal center and threshold treatment of all extrafoveal microaneurysms.

      Outcome
      The previous perifoveal swelling in the left eye disappeared. SD-OCT after Navilas showed resolution of macular edema as compared to pre-operative OCT. Three months after treatment the visual acuity improved to 20/20 OU and the patient was symptom-free. Photos courtesy of William R. Freeman, MD; UCSD

        Case Study (その他の臨床例)

        Case study by Marcus Kernt M.D., LMU Munich, Germany

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