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18 Possible Causes for Slit-Lamp Test Abnormal, Transillumination of the Iris, Visual Acuity Decreased

  • Uveitis

    Tugal–Tutkun, Onal S, Garip A et al., Bilateral acute iris transillumination, Arch Ophthalmol,2011;129(10):1312–9.[touchophthalmology.com] Visual acuity is only decreased in severe cases associated with hypopyon. The signs of anterior uveitis include the following.[symptoma.com] (BADI) and bilateral acute transillumination of the iris (BAIT), the finding of corneal endothelial pigment precipitates is a useful clue to the differential diagnosis.18,19[touchophthalmology.com]

  • Granulomatous Iritis

    (BADI) and bilateral acute transillumination of the iris (BAIT), the finding of corneal endothelial pigment precipitates is a useful clue to the differential diagnosis. 18,19[touchophthalmology.com] Visual acuity may be decreased. Extraocular movement: generally normal.[patient.info] Corneal sensation is a useful test along with careful inspection of the iris for subtle transillumination defects, which may suggest underlying herpetic disease.[ophthalmologymanagement.com]

  • Corneal Stromal Dystrophy

    […] on the cornea by a slit lamp examination.[symptoma.com] transillumination.[aop.org.uk] However, the rate of clinically significant recurrence, both recurrent erosions and decreased visual acuity, in the first 5 years is similar in CDB and lattice dystrophies[ncbi.nlm.nih.gov]

  • Marfan Syndrome

    Diagnosis Clinical criteria Genetic testing Echocardiography/MRI (measurement of the aortic root, detection of valve prolapse) Slit-lamp examination (lens abnormalities) X-rays[merckmanuals.com] Iris transillumination defects (ITD) were significantly more common in MFS eyes (odds ratio for MFS in the presence of ITD, 3.7).[ncbi.nlm.nih.gov] A 14-year-old girl reported decreased vision in the left eye. Her visual acuity was 6/24 and counting fingers at 1 m in the right and left eyes, respectively.[ncbi.nlm.nih.gov]

  • Early-Onset Anterior Polar Cataract

    Ocular examination Slit-lamp examination can help classify the morphology of the cataract and reveal associated abnormalities of the anterior segment.[entokey.com] […] may sweep material into rings on the lens capsule Best viewed with dilation Transillumination defect and fibrillar material at the papillary margin Open angle with brown[medrounds.org] In acquired cases, effect mostly in early stages Impairment, even in early stages; glare and decreased visual acuity, especially in bright sunlight or when driving at night[aibolita.com]

  • Ciliary Body Melanoma

    No relative afferent pupillary defect (RAPD) Confrontation visual fields: Full OD and OS Amsler grid testing: Central area of metamorphopsia OD, normal OS Slit lamp examination[webeye.ophth.uiowa.edu] - ultrasound biomicroscopy, optical coherence tomography, transillumination, and fundus fluorescein angiography (FFA) have all been recommended by various studies in order[symptoma.com] The area of extraocular extension had decreased substantially to an atrophic area. Visual acuity remained 20/20 and there was no metastatic disease.[retinalphysician.com]

  • Tonic Pupil

    No structural abnormalities of the iris were present. Otherwise results of the slit lamp and ophthalmoscopic examinations were normal.[journals.lww.com] Segmental denervation and reinnervation of the iris sphincter as shown by infrared videographic transillumination. Ophthalmology. 1998 ; 105(2) : 313 –321. Thompson HS.[aao.org] acuity with no observable pathology or reason for the decrease in acuity; most often due to eccentric fixation in an eye with strabismus ametropia a refractive error (such[tedmontgomery.com]

  • Syndromic Microphthalmia Type 10

    Such studies may include examination with an illuminated microscope to visualize internal structures of the eyes (slit-lamp examination); specialized hearing (auditory) tests[rarediseases.org] transillumination defects, concave iris, increased pigmentation of trabecular meshwork, deposited pigment on Schwalbe's line AD - %600510 PRADER-WILLI SYNDROME Refractive[eyewiki.aao.org] A small iris coloboma, particularly if not attached to the pupil, can allow a second image to form at the back of the eye, leading to blurred or double vision, decreased acuity[patient.info]

  • Holmes-Adie Syndrome

    A slit lamp will aid more detailed observation of an abnormally shaped pupil.[patient.info] Segmental denervation and reinnervation of the iris sphincter as shown by infrared videographic transillumination. Ophthalmology. 1998 ; 105(2) : 313 –321. Thompson HS.[aao.org] There is a decrease or absence of the pupillary light reaction with conservation of the near response in the presence of normal visual acuity.[umedico.com]

  • Posterior Synechiae

    A slit lamp will aid more detailed observation of an abnormally shaped pupil.[patient.info] Tugal–Tutkun, Onal S, Garip A et al., Bilateral acute iris transillumination, Arch Ophthalmol,2011;129(10):1312–9.[touchophthalmology.com] The signs include decreased visual acuity, conjunctival congestion, corneal oedema, anterior chamber cell flare, and vitritis. 10 Hypopyon and fibrinous membrane have also[nature.com]

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