Medical Prices in China

A diagnostic test that measures the corneo-retinal standing potential to assess retinal function, particularly the retinal pigment epithelium, using skin electrodes placed around the eyes.

A non-invasive ophthalmic biometry procedure using optical coherence interferometry (e.g., IOLMaster or Lenstar) to precisely quantify the distance from the cornea to the retinal pigment epithelium for IOL power calculation.

A clinical procedure that measures the curvature of the anterior surface of the cornea to assess refractive power and detect astigmatism, typically using a keratometer.

A non-invasive method of measuring intraocular pressure using a puff of air to applanate the cornea, without direct contact with the eye, commonly used in routine eye examinations.

A standard ophthalmic procedure using a calibrated prism to measure intraocular pressure by determining the force required to flatten a fixed area of the cornea.

A clinical procedure measuring intraocular pressure at regular intervals over 24 hours to assess diurnal fluctuations, aiding glaucoma diagnosis and management.

A diagnostic procedure using a gonioscope to examine the anterior chamber angle of the eye, assessing structures like the trabecular meshwork and iris root for glaucoma evaluation and other angle-related pathologies.

A diagnostic imaging technique using high-frequency sound waves to produce cross-sectional images of the eye and orbit, commonly used to evaluate intraocular structures and detect abnormalities.

A diagnostic ultrasound technique used to measure ocular dimensions, including axial length and anterior chamber depth, primarily for intraocular lens power calculation prior to cataract surgery.

A high-frequency ultrasound imaging technique used to visualize anterior segment structures of the eye, such as the ciliary body, iris, and angle, with resolution up to 50 micrometers.

A diagnostic test measuring basal tear production without topical anesthesia, using filter paper strips placed in the lower eyelid for 5 minutes to assess aqueous tear secretion.

A clinical test measuring the time interval between a complete blink and the appearance of the first dry spot on the cornea, used to assess tear film stability in dry eye evaluation.

Imaging technique to visualize the structure and morphology of meibomian glands, typically using infrared light, to assess gland dropout, atrophy, or duct obstruction in meibomian gland dysfunction.

A diagnostic procedure where a sterile filter paper or membrane is pressed onto the conjunctiva to collect superficial epithelial cells for microscopic examination of inflammatory, infectious, or neoplastic conditions.

A clinical test measuring corneal sensation using a calibrated nylon filament to assess trigeminal nerve (V1) function and detect neurotrophic keratopathy or other sensory deficits.

A diagnostic ophthalmic procedure using sodium fluorescein dye to detect corneal epithelial defects, abrasions, or ulcers under cobalt-blue light illumination.

A diagnostic test that isolates and identifies bacteria from the conjunctival sac and determines their susceptibility to antimicrobial agents.

A molecular diagnostic test using polymerase chain reaction to detect and quantify DNA from herpesviruses including HSV-1, HSV-2, VZV, and EBV in clinical specimens.

A surgical procedure that creates a new drainage pathway for aqueous humor to lower intraocular pressure in glaucoma patients, typically involving partial removal of the trabecular meshwork and scleral flap creation.

Surgical procedure implanting an Ahmed or similar aqueous shunt device to drain aqueous humor and lower intraocular pressure in refractory glaucoma.