mydriatic

简明释义

英[ˌmɪdrɪˈætɪk]美[ˌmɪdrɪˈætɪk]

adj. 瞳孔放大的

n. 瞳孔放大剂

英英释义

单词用法

同义词

反义词

例句

1.CONCLUSION: Compound tropicamide is shown to be an ideal drug for mydriatic optometry in juvenile patients of 12-15 years old, but not necessary for patients between 16 and 18 years old.

结论：复方托品酰胺是较大年龄(12 ~ 15岁)儿童散瞳验光的理想药物，而对16 ~18岁年龄段青少年可以直接小瞳验光。

2.The mydriatic drop is safe to the senile patients.

手术前散瞳药对患者安全、可靠。

3.Conclusion 1% cyclopentolate hydrochloride can apply for mydriatic optometry in children aged 312 with myopia because of its safety and efficiency.

结论1%盐酸环喷托酯滴眼液是一种安全有效的睫状肌麻痹剂，可用于312岁近视儿童散瞳验光。

4.CONCLUSION: Compound tropicamide is shown to be an ideal drug for mydriatic optometry in juvenile patients of 12-15 years old, but not necessary for patients between 16 and 18 years old.

结论：复方托品酰胺是较大年龄(12 ~ 15岁)儿童散瞳验光的理想药物，而对16 ~18岁年龄段青少年可以直接小瞳验光。

5.Methods: Analysis was done with mydriatic and computer optometry to measure corneal curvature and determine the length of the optic axis.

方法：对近视学生采用散瞳验光和电脑验光及测定患者的角膜曲率和用a超测定眼轴长度而进行分析。

6.A focusing method by adjusting two slit mark images was proposed to realize accurate focusing of a non-mydriatic fundus camera for an observed retina image in dark.

为实现免散瞳眼底相机在被观测眼底图像较暗情况下的精确调焦，提出了双光楔裂像调焦方法。

7.After administering the mydriatic, the ophthalmologist was able to better assess the retina.

在施用散瞳药后，眼科医生能够更好地评估视网膜。

8.Some mydriatic medications can cause temporary sensitivity to light.

一些散瞳药可能会导致暂时的光敏感。

9.Patients should be informed about the effects of mydriatic drops before their appointment.

在预约之前，患者应该被告知散瞳药滴眼液的效果。

10.The use of mydriatic drops is common in routine eye exams.

在常规眼科检查中使用散瞳药滴眼液是很常见的。

11.The doctor used a mydriatic agent to dilate the patient's pupils for a thorough eye examination.

医生使用散瞳药使患者的瞳孔扩张，以进行全面的眼部检查。

作文

In the field of medicine, particularly in ophthalmology, the term mydriatic refers to substances that cause dilation of the pupil. These agents are crucial for various eye examinations and surgical procedures. When a doctor needs to examine the interior structures of the eye, such as the retina or the optic nerve, they often use mydriatic drops to enlarge the pupils. This dilation allows for a better view and helps in diagnosing conditions like glaucoma or retinal detachment. The process of using mydriatic agents is relatively straightforward. A patient typically receives drops in their eyes, and after a few minutes, the pupils begin to widen. This effect can last for several hours, during which time the patient may experience sensitivity to light and blurred vision. It is essential for patients to be aware of these side effects and to arrange for transportation home, as driving can be unsafe until the effects wear off.There are different types of mydriatic agents, some of which are more potent than others. For example, tropicamide is commonly used due to its rapid onset and shorter duration of action compared to other agents like atropine. Each mydriatic has specific indications, contraindications, and potential side effects, so ophthalmologists must choose the appropriate agent based on the patient's needs and medical history.Understanding how mydriatic agents work also involves knowing about the underlying mechanisms. These agents typically act on the iris sphincter muscle, blocking the parasympathetic nervous system's influence, which normally constricts the pupil. By inhibiting this response, the pupils dilate, allowing more light to enter the eye. This mechanism is not only vital for diagnostic purposes but also plays a role in certain therapeutic interventions.Moreover, the use of mydriatic agents is not limited to just diagnostic procedures. In some cases, they are utilized in the treatment of specific eye conditions. For instance, during an inflammatory episode, a doctor might prescribe mydriatic drops to relieve pain caused by spasms of the iris muscles. By keeping the pupil dilated, these drops can help reduce discomfort and prevent complications associated with inflammation.In conclusion, mydriatic agents are essential tools in the field of ophthalmology, enabling healthcare professionals to perform thorough examinations and provide effective treatments. Their ability to temporarily enlarge the pupil facilitates a clearer view of the eye's internal structures, leading to better diagnosis and management of various ocular conditions. As technology and pharmacology advance, the development of new and improved mydriatic agents will continue to enhance patient care and outcomes in ophthalmology.

在医学领域，特别是在眼科中，术语散瞳药指的是导致瞳孔扩张的物质。这些药剂对于各种眼部检查和手术程序至关重要。当医生需要检查眼睛内部结构，如视网膜或视神经时，他们通常会使用散瞳药滴眼液来扩大瞳孔。这种扩张使得更好地观察成为可能，并有助于诊断青光眼或视网膜脱落等疾病。使用散瞳药的过程相对简单。患者通常会在眼睛中滴入药水，几分钟后，瞳孔开始扩大。这种效果可以持续几个小时，在此期间，患者可能会感到对光的敏感和视力模糊。患者必须意识到这些副作用，并安排交通工具回家，因为在效果消退之前，驾驶可能不安全。有不同类型的散瞳药，其中一些比其他药物更强效。例如，托吡卡胺因其快速起效和较短的作用时间而被广泛使用，与其他药物如阿托品相比。每种散瞳药都有特定的适应症、禁忌症和潜在副作用，因此眼科医生必须根据患者的需求和病史选择合适的药物。理解散瞳药的工作原理也涉及了解其基本机制。这些药物通常作用于虹膜括约肌，阻断副交感神经系统的影响，而该系统通常负责收缩瞳孔。通过抑制这一反应，瞳孔扩张，使更多的光线进入眼睛。这个机制不仅对诊断目的至关重要，还在某些治疗干预中发挥作用。此外，使用散瞳药并不限于诊断程序。在某些情况下，它们也用于治疗特定的眼部疾病。例如，在炎症发作期间，医生可能会开处方散瞳药滴眼液，以缓解由于虹膜肌肉痉挛引起的疼痛。通过保持瞳孔扩张，这些药物可以帮助减轻不适，并防止与炎症相关的并发症。总之，散瞳药是眼科领域的重要工具，使医疗专业人员能够进行全面检查并提供有效的治疗。它们暂时扩大瞳孔的能力促进了对眼内结构的更清晰观察，从而更好地诊断和管理各种眼部疾病。随着技术和药理学的进步，新型和改进的散瞳药的开发将继续提升眼科患者的护理和结果。