Disease Database - Page 44 | SinoMDB Web

Public condition directory

Disease Database

Browse public condition summaries from China medical resources by stable specialty category.

Disease categories

All diseases Internal Medicine714 Surgery771 Obstetrics and Gynecology180 Pediatrics553 Orthopedics211 Ophthalmology214 Stomatology110 Otolaryngology214 Oncology37 Dermatology and Venereology161 Andrology34 Dermatologic Cosmetology15 Burn Care8 Mental Health52 Traditional Chinese Medicine204 Integrative Medicine1 Infectious Diseases56 Rehabilitation Medicine18 Anesthesiology22 Occupational Medicine5 Nutrition3 Medical Imaging19 Pathology1 Other Specialties43

2553 conditionsPage 44 of 284

OphthalmologyOphthalmology

Orbital decompression surgery

Orbital decompression surgery

A public condition summary is being prepared.

OphthalmologyOphthalmology

Orthokeratology lens

Orthokeratology lens

A public condition summary is being prepared.

OphthalmologyOphthalmology

Phacoemulsification and Aspiration of Cataract

Phacoemulsification and Aspiration of Cataract

A public condition summary is being prepared.

OphthalmologyOphthalmology

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Vitrectomy

Vitrectomy

A public condition summary is being prepared.

OphthalmologyOphthalmology

Ocular prosthesis

Ocular prosthesis

A public condition summary is being prepared.

OphthalmologyOphthalmology

Corneal transplant

Corneal transplant

A public condition summary is being prepared.

OphthalmologyOphthalmology

Myopia surgery

Myopia surgery

A public condition summary is being prepared.

OphthalmologyOphthalmology

Visual field test

Visual field test

The visual field refers to the maximum area that can be seen when both eyes are looking straight ahead, also known as peripheral vision. When both eyes are fixed straight ahead, the visual field within 30° of the fixation point is called the central visual field, and the visual field beyond 30° is called the peripheral visual field. A normal visual field includes two aspects: first, the visual field has a certain range; second, within the visual field, except for the physiological blind spot, the sensitivity to light in all parts of the visual field is normal. Visual field examination is to check the patient's visual field. According to the principles of visual field examination, there are two methods: kinetic perimetry and static perimetry: Kinetic perimetry: The subject's gaze is fixed, and a target of the same intensity is gradually moved from an area invisible to the subject to a visible area. The intersection of the visible and invisible areas is called the threshold. Static perimetry: While keeping both the subject's gaze and the target fixed, the light intensity of the target is continuously increased to test the threshold between the invisible and visible light intensities at a certain point in the subject's visual field.

OphthalmologyOphthalmology

Color vision test

Color vision test

Human color vision is based on the perception of the three primary colors—red, green, and blue—by photosensitive pigments in the cone cells of the retina. When the proportions of these three photosensitive pigments are normal, it is called trichromacy. If only two are normal, it is called dichromacy, and if only one is normal, it is called monochromacy. Color vision testing assesses whether a patient's color vision is normal, including psychophysical tests (subjective tests) and visual electrophysiological tests (objective tests). Subjective tests: These include pseudoisochromatic plates (Ishihara charts), hue arrangement tests, and anomaloscopes, which are commonly used clinical methods. Objective tests: These include electroretinography and color visual evoked potentials.

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