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Suhail Wahab Khalil              BSVS 4th Year,Isra School Of Optometry.
Amsler GridUsed since : 1945 ADDeveloped by :Marc Amsler, swiss ophthalmologist.Looks like a graph paper with multiple ...
Amsler Grid•The grid chart evaluate thecentral 20 degree of the visualfield.•It is a diagnostic tool that isused mainly in...
Availability Original Amsler’s grid was black and white. Available in       Black on white       White on black. A co...
Procedure The patient is made to wear his reading glasses if any,    holds the chart at 16 inches(40cm) away infront of t...
There are seven charts, each consisting of a 10cm square.It is most commonlyused. It comprises ahigh contrast whitegrid on...
Is a similar to chart 1but has diagonallines that aidfixation in patientsunable to see thecentral spot as aresult of a cen...
Is to identical to chart1 but has red squares.The red on blackdesign aim tostimulate longwavelength fovealcones. It is use...
Consisting only ofrandom dots is usedmainly todistinguish scotomafrommetamorphosia, asthere is no form tobe distorted.
Consisting ofhorizontal lines andis designed to detectmetamorphosiaalong specificmeridian. It is ofparticular value inthe ...
It a similar to chart 5but has a whitebackground and thecentral lines arecloser togetherenabling moredetailed evaluation.
Exhibits a finecentral grid , eachsquare subtendingan angle of a degreeand is thereforemore sensitive.
MACULAREDEMA
TUMOR
METAMORPHOSIA
SCOTOMA
GLAUCOMAPERIPHERALFIELD LOSS
Thank You     (for Bearing with Me)  still any   Question ???
Amsler grid
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Amsler grid

  1. 1. Suhail Wahab Khalil BSVS 4th Year,Isra School Of Optometry.
  2. 2. Amsler GridUsed since : 1945 ADDeveloped by :Marc Amsler, swiss ophthalmologist.Looks like a graph paper with multiple small sized boxes on it having a centre dark spot.
  3. 3. Amsler Grid•The grid chart evaluate thecentral 20 degree of the visualfield.•It is a diagnostic tool that isused mainly in screening,detection and monitoringmacular diseases(e.g. Macular degenerations,epiretinal membranes)as well as the optic nerve andthe visual pathway.
  4. 4. Availability Original Amsler’s grid was black and white. Available in  Black on white  White on black. A colour version with a blue and yellow grid is more sensitive and can be used to test for a wide variety of visual pathway abnormalities, associated with retina, the optic nerve & pituitary gland.
  5. 5. Procedure The patient is made to wear his reading glasses if any, holds the chart at 16 inches(40cm) away infront of the eye. Patient looks with each eye separately by covering one eye. He is asked to focus at the small dot in the centre of the grid. While he is looking at the dot, ask him to report if any line on the grid is (distorted, broken, blurred area, missing area, dark area, corners, sides). Mark the area of abnormality, if any on the chart and refer to the ophthalmologist.
  6. 6. There are seven charts, each consisting of a 10cm square.It is most commonlyused. It comprises ahigh contrast whitegrid on a blackbackground. Theouter grid encloses400 smaller 5mmsquares. When viewedabout one-third of ameter, each smallsquare subtends anangle of a 1 degree.
  7. 7. Is a similar to chart 1but has diagonallines that aidfixation in patientsunable to see thecentral spot as aresult of a centralscotoma
  8. 8. Is to identical to chart1 but has red squares.The red on blackdesign aim tostimulate longwavelength fovealcones. It is used todetect colourscotomas anddesaturation that mayoccur in toxicmaculopathies , opticneuropathies andchiasmal lesions.
  9. 9. Consisting only ofrandom dots is usedmainly todistinguish scotomafrommetamorphosia, asthere is no form tobe distorted.
  10. 10. Consisting ofhorizontal lines andis designed to detectmetamorphosiaalong specificmeridian. It is ofparticular value inthe evaluation ofpatients withreading difficulties.
  11. 11. It a similar to chart 5but has a whitebackground and thecentral lines arecloser togetherenabling moredetailed evaluation.
  12. 12. Exhibits a finecentral grid , eachsquare subtendingan angle of a degreeand is thereforemore sensitive.
  13. 13. MACULAREDEMA
  14. 14. TUMOR
  15. 15. METAMORPHOSIA
  16. 16. SCOTOMA
  17. 17. GLAUCOMAPERIPHERALFIELD LOSS
  18. 18. Thank You (for Bearing with Me) still any Question ???

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