Method: 199 patients reporting tinnitus as their primary compliant orsecondary to hearing loss were sampled as study participants.
第二部分江苏省成年人听力减退的伤残调整生命年研究目的：使用伤残调整生命年来评价江苏省成年人听力减退的疾病负担，为政府未来的卫生事业的决策提供科学依据。
Methods: 6854 persons aged 10 years and over were selected, as a part of a broad study of hearing impairment and ear disease, by the methods of probability proportional to size (PPS).
方法：采用按容量比例概率抽样方法，在江苏省常住人口中抽样，凡在被调查户居住6个月以上者，不分性别年龄均列入WHO耳疾与听力减退调查。
his poor eyesight results from keratitis.
他的视力减退是由角膜炎引起的。
A Longitudinal Study About Visual Deterioration Among Primary and Secondary School Students in Tongling
铜陵市中小学生视力减退进展情况分析
Applying ERG and VEP to medical evaluation of defective vision in eye with trauma
视觉诱发电位和视网膜电图在外伤性视力减退医学鉴定中的应用
A isual field test may be performed on glaucoma suspects to detect peripheral ision loss.
对疑似青光眼的患者需要做一项视觉测试来确定外周视力减退。
The clinical manifestations of the above5 cases included epilepsy, intracranial hypertension, motor weakness, facial paralysis and dysopia.
临床表现为癫痫，颅压高，肌肉无力，面肌瘫痪，视力减退。
Partial atrophy causes pallor of the temporal half of the disc with enlargement of the blind spot, often without noticeable visual loss.
部分性萎缩引起视盘颞侧苍白，伴有生理盲点扩大，常常没有明显的视力减退。
Three weeks later, he complained of decreased vision in his right eye and funduscopy revealed a yellowish-white macular lesion and a few white snowballs.
三周后，他并发右眼视力减退，眼底检查发现一处淡黄色白斑性损害和少量白色雪球样改变。
Research now shows that chemotherapy can cause real changes in the brain, ranging from forgetfulness to seizures, ision loss and een dementia.
目前，研究显示化疗会产生大脑实质性的改变，包括健忘、癫痫、视力减退甚至痴呆。
His eyesight was beginning to fail.
他的视力开始减退。
There is often a progressive loss of sight in old age.
上了年纪的人视力逐步减退。
Disorders affecting the retina or the macula in its centre decrease vision and can cause Blindness.
影响视网膜和中心黄斑的病变会减退视力并可导致眼盲。
His memory is blurred by his illness.
他因患病记忆力减退.
My memory is slipping.
我的记忆力逐渐减退。
the act of reducing the vitality of something.
某物生命力减退的行为。
When you get old your memory gets worse.
人老了，记忆力就减退了。
Twenty hours after the surgery, the patient developed severe left eye pain and tenderness, massive swelling of left periorbital tissue with proptosis.
触诊发现其左眼球呈现若石头般坚硬，并且视力开始减退。
Since their father was old and his sight failing they made up their minds to stay at home.
由于他们的父亲老了，视力又减退，于是他们便决定待在家里算了。
His sight is beginning to fail.
他的视力开始衰退。