symptoms and treatment of central serous chorioretinopathy中心性漿液性脈絡網膜症
① ストレスの多い中年男性に多く生じる原因不明の疾患である.
② 突然の片側性の視力低下,中心暗点,変視症(物が歪んで見える),小視症(物が小さく見える)を呈する.
③ 黄斑部網膜の限局性剝離のために眼軸が短くなり,☆遠視傾向となる.
⑥ 3〜6ヵ月で自然治癒することが多い.漏出点をレーザー光凝固することで治癒期間は短縮する.ただし,視力低下を招くため黄斑部に対してはレーザー光凝固は行わず,循環改善薬を用いる. ophthalmology国試 HirotoShishido
orbital apex syndromea collection of cranial nerve deficits associated with a mass lesion near the apex of the orbit of the eye
etiology of amblyopia• progressive suppression of visual input from eye receiving suboptimal image(blurry, deviated)
• in approximately half of the cases, amblyopia is secondary to strabismus (mainly ☆esotropia)
• other causes may include ★uncorrected refractive errors, anisometropia 不同視弱視 (asymmetric refractive errors, usually in the more ☆hyperopic eye), and deprivation due to structural ocular problems (ptosis, cataract, corneal opacity/scarring, retinoblastoma) ophthalmology卒試UWorld step2CK HirotoShishido
vernal conjunctivitis春季カタル
large papillae (cobblestones) form on superior palpebral conjunctiva with corneal ulcers and keratitis
• seasonal(warm weather)
• occurs in children,lasts for 5-10yr then resolves ophthalmology国試過去3年 HirotoShishido