The effect of treatment on the results of high-pass resolution perimetry in glaucoma.

In order to find out to which extent high-pass resolution perimetry would detect any changes in patients treated for glaucoma, resolution perimetry results were evaluated from 56 glaucoma patients and 15 untreated ocular hypertensive patients followed for 2 to 3 years. Fifty-nine of the 71 examined patients showed lower resolution thresholds, i.e.

Computer-assisted interpretation of resolution visual fields from patients with chiasmal and retrochiasmal lesions.

Computer-assisted interpretation of resolution visual fields was performed in 147 normal subjects and 174 consecutive patients with known chiasmal or retrochiasmal lesion. The program identified 99% of normal subjects, and provided support for the correct diagnosis in 64% of patients with chiasmal and 83% of patients with retrochiasmal lesions. In conclusion, computer-assisted interpretation of resolution visual fields can provide considerable support to the final diagnostic decision in patients with lesions of the visual pathways.

High-pass resolution perimetry in uncomplicated myopia.

Fifteen subjects (28 eyes) with uncomplicated myopia (3-9 D) were examined using high-pass resolution and Goldmann perimetry. In the central 30 degree field a slight increase was observed in mean resolution threshold significantly correlated to the degree of myopia. In the Goldmann visual fields threshold increase was observed in the area around the blind spot in eight subjects (10 eyes).

The effect of topical antiglaucoma drugs on the results of high-pass resolution perimetry.

We conducted a randomly assigned, double-masked, crossover study of the effects of betaxolol, epinephrine, pilocarpine, and timolol on the high-pass resolution perimetry results in normal subjects. The influence of topical administration of these intraocular pressure-reducing drugs was negligible, which confirmed the reliability of high-pass resolution perimetry results. The method seems appropriate for the diagnosis of glaucoma and the follow-up of patients with glaucoma.

Influence of amblyopia on high-pass resolution perimetry.

Seventeen subjects with amblyopia due to strabismus and anisometropia were examined using high-pass resolution perimetry. In addition to the standard technique, testing the 5-30 degrees visual field, an optional program testing the central 4 degrees visual field was used. Threshold elevation was confined to the central 4 degrees visual field and strongly correlated with visual acuity, expressed as minimum angle of resolution.