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Thread: Ophthalmology short notes

  1. #11
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    Default Never to miss Visual acuity in CRAO

    Never to miss Visual acuity in CRAO



    • counting fingers to HM to PL+ve
    • but never NPL unless associated with ophthalmic artery occlusion or optic nerve damage.
    • RAPD occurs within seconds after CRAO.

  2. #12
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    Default Cherry red spot in lipid storage Diseases

    Cherry red spot in lipid storage Diseases



    • Gaucher’sdisease
    • Neimann-Pick disease
    • Tay-Sachs disease
    • Goldberg syndrome
    • Fabry syndrome
    • gangliosidosis
    • Sandoff’s disease

    Because of lipid accumulation in ganglion cell layers which are absent in fovea ( transparent to the red underlying choroid )

  3. #13
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    Default Most common causes of consecutive optic atrophy (waxy disc pallor)

    Most common causes of consecutive optic atrophy (waxy disc pallor)



    • Retinitis pigmentosa
    • High myopia
    • Extensive photocoagulation
    • Diffuse chorioretinitis
    • CRAO

  4. #14
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    Default Regarding retinoblastoma

    Regarding retinoblastoma



    • the common age of presentation 1st year of life in bilateral cases, 2nd year of life in unilateral cases.
    • retinoblastoma seldom seen after 3 years of age as the primitive retinal cells disappear within first few years of life.
    • most common malignant intraocular neoplasia in kids
    • FNAC and incisional biopsy are absolutely contraindicated(lead to tumor seeding into orbit).
    • Xray and CT are relatively contraindicated as it may fire germline mutations
    • investigations of choices US and MRI and specular microscopy ( to detect tumor cells stick to endothelium)

  5. #15
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    Default The best candidates for pneumatic retinopexy

    the best candidates for pneumatic retinopexy



    • Superior single break less than 1 clock hour.
    • Multiple superior breaks but in 1–2 clock hours of each other
    • Free of systemic disease (rheumatoid arthritis) (who can maintain position)
    • Phakic patients
    • Total PVD with recent localized RD
    • not traveling by air during the post operative period

  6. #16
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    Default Optic disc hemorrhages in patients with glaucoma

    Home-Message

    Optic disc hemorrhages in patients with glaucoma were most frequently observed inferiotemporally in association with an inferior notch and neuroretinal rim loss.
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    Most eyes with a disc hemorrhage had an intraocular pressure within normal range and had either early or no visual field loss.

    These findings highlight the importance of careful examination of the optic nerve head to look for the presence of a disc hemorrhage as an important biomarker and risk factor for glaucoma damage and therapy induction .

    NB:
    3 important risk factors for NTG
    Female
    Disc heamorrhage
    Migraine

  7. #17
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    Default patients with myopic choroidal neovascularization (CNV)

    Home-Message

    patients with myopic choroidal neovascularization (CNV), younger patients (≤40 years) required fewer ranibizumab injections than older patients, and the final visual outcome was significantly better in the younger patient group.

    Age is a factor in the treatment of myopic CNV with ranibizumab. This is important information for both patients and treating physicians.
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    Last edited by Reda Gomah El Garia; 10-25-2017 at 07:20 AM.

  8. #18
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    Default iStent microshunt

    Glaucoma pearls 👁

    iStent microshunt show promises in PXF

    The trabecular microbypass stent may be an effective device to lower IOP and decrease dependence on topical medications💦💦💦💦 in PXF glaucoma patients.✍️
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  9. #19
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    Default CT orbit pearls of rectus muscles enlargement 👁

    CT orbit pearls of rectus muscles enlargement 👁

    • Fusiform enlargement with tendon sparing in TED

    • Generalized enlargement with tendon share in ( myositis, lymphoproliferative diseases, orbital pseudo tumor,carotid cavernous fistula, parasitic infestation, acromegaly )

    •Focal enlargement in metastatic lesions

  10. #20
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    Default Regarding acute conjunctivitis

    Regarding acute conjunctivitis

    Most common cause in children is bacterial
    Most common cause in adult is viral

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