1.
Humphrey Field Analyzer II/IIi

2.
GHT – Glaucoma Hemifield Test

3.
GHT – Glaucoma Hemifield Test <ul><li>GHT Messages </li></ul><ul><li>“ Outside Normal Limits” </li></ul><ul><li>Sensitivities in one or more of the five zones in the upper half of the field are significantly different (p<0.01) from the sensitivities measured in the corresponding zones in the lower half of the field </li></ul>

4.
GHT – Glaucoma Hemifield Test <ul><li>GHT Messages </li></ul><ul><li>“ Borderline” </li></ul><ul><li>Zone pairs differ by an amount greater than is seen in most normal subjects (p<0.03), but the difference does not reach the level required for the “Outside Normal Limits” message. </li></ul>

5.
GHT – Glaucoma Hemifield Test <ul><li>GHT Messages </li></ul><ul><li>“ General Depression of Sensitivity” </li></ul><ul><li>Test point locations are so low as to be at levels seen in only 0.5% of normal subjects. </li></ul><ul><li>Will not be displayed when sensitivity differences between the superior and inferior hemi-fields are large enough to result in an “Outside Normal Limits” message. </li></ul><ul><li>“ Abnormally High Sensitivity” </li></ul><ul><li>Test point locations are so high as to be at levels seen in only 0.5% of normal subjects. </li></ul>

6.
GHT – Glaucoma Hemifield Test <ul><li>GHT Messages </li></ul><ul><li>“ Within Normal Limits” </li></ul><ul><li>Presented when none of the previous significance limits have been reached. </li></ul>