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Quick Details

  • Properties: Ears, Eyes, Nose and Throat Surgical Instruments
  • Type: Clamp, all-in-one machine
  • Brand Name: GD Visual field screener
  • Model Number: GFS-04 Visual field screener
  • Place of Origin: Shanghai, China (Mainland)
  • Product name: visual field scanner
  • Warranty: 12 month
  • Certificate: CE ISO
  • Radius of stimulatlor: 300mm
  • Stimulating source of LED: two visual lights
  • Stimulating strength: from 0 mcd to 40 mcd
  • Error of background brightness: 3 lux
  • Visual feld testing distance: 30cm
  • Background illumination: 31.5asb

Packaging & Delivery

Packaging Details 1pc of optical popular visual field scanner /packed, in standard optical popular visual field scanner carton.
Delivery Time We usually send it within 3-5 workdays






Product Photos











Product Description

-- Parameter --

1. Radius of stimulator: 300mm±5%

2. Stimulating source of LED: Two visual lights: yellow and red.

3. Stimulating strength: From 0 mcd to40mcd, have 14 degree to adjust, the error is±10%.

4. Error of background brightness:3lux±10%

5. Light spot: Diameter is 2mm +/- 0.25mm.

6. The number of stimulating and the stimulating time:

  A:391 spots ;

  B: stimulating retention time: 0.2s--3.0s, the program can adjust ;

  C: stimulating spacing interval: 0.5s --3.0s, the program can adjust;

7. Window of eye-position tracking: White-black CCD, directly tracking the testing eye;

8. The length of chin rest: up-down: ≥50mm;  right-left ≥28mm

9. Eye position tracking: When blinking, the system will alarm automatically.

-- Specifications --

1.Visual field testing distance: 30cm

2.Background illumination: 31.5asb

3.DB value range: 0-40db

4.Stimulus duration:200ms

5.Patient reaction time: System Default & Auto-adaption

6.Stimulus Size: Goldmann III

7.Stimulus Colour: White & Red

8.Test Mode:

Threshold test program: Macula 10-2, 24-2, 30-2, 60-4 Nasal step

Screening test program: C-40, C-76, Nasal step, FF-81, FF-135

Specialty test program: Esterman monocular, Esterman binocular, Superior 36

User-defined test: Available for storaging 10 program

11.Test strategy

Auto-interactive test (40% testing duration shortened compared with Full threshold tes, without decreasing the test accuracy)

Full threshold test

Fast threshold test

Age corrected screening test

Single stimulated screening test 

12. Analysis Software

Creditability analysis

Single field analysis

multi fields analysis

GHT (Glaucoma Hemifield Test)

progression analysis

13.Report Plots

DB Value


3D Image

Total deviation

Pattern deviation

Total probability

Pattern probability

Bebie curves

14. Fixation monitoring: physiologic scotoma monitoring,Video eye monitoring & tracking curve plot, Eye position deviation alarm

15. Automatic Pupil Measurement

16. Ambient light automatic measurement

17.Maximum temporal range (degrees): 90°

18.Test mode: Static test


-- Examination Ways --

1. Threshold test; Fast threshold; Full threshold; Qualitative test

2. Regular project: Central Field Test, Para Central Field Test, Peripheral Field Test, Macular Zone test, Glaucoma test, 0~60°tes

3. Specific project: 0~90°user define test, self define test (quadrant available), Central Low Eyesight test, Ptosis test, Blind spot zone test, Diabetes test, Neurology test, Nasal step test, Temporal side zone test 








Packaging & Shipping
  • Packing: 1pc of optical popular slit lamp /packed, in standard optical popular slit lamp carton.
  • Packing size: 0.29CBM
  • Gross weight: 34kg
  • Shipping: DHL, FEDEX, UPS, TNT, EMS/ Air transport / Sea transport
  • Port: Shanghai, HongKong, Guangzhou, Shenzhen, Yiwu















Our Services

Service before order: 

  • Professional & quick reply--Clear products discription to match different markets’ needs.

  • Reasonable freight--quick shipping charges let customers compare and choose.

  • Various paying methods--Western Union, Money Gram, T/T, L/C, Paypal, Alipay or Alibaba Trade Assurance.

  • Short lead time--Time is money for you and for us, we have professional production line and staff, who are making nice quality in short time.

  • OEM--Available, please let us know the information to offer you free design.

  • Certificate--All our items are coming with CE, ISO, TUV or FDA.

Service after order: 

  • Double tests--tested after production and before delivery to keep safe.

  • Photo before delivery--we take photos before shipment to let clients know the cargos well.

  • Track--Tracking no./AWB/Bill of landing and information are offered after shipments.

  • Notice--We inform every customer before/after cargos delivered.

  • Warranty--All equipments have 18 months warranty.We would like to sign contract with you in case you need it, as an honesty supplier we never cheat our customers.





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